A number is a mathematical object used to count, measure, and label. The most basic examples are the natural numbers: 1, 2, 3, 4, 5, and so forth. Individual...

the natural number following 19 and preceding 21. A group of twenty units is sometimes referred to as a score. Twenty is a composite number. It is also...

in Wiktionary, the free dictionary. 1000 or one thousand is the natural number following 999 and preceding 1001. In most English-speaking countries, it...

A prime number (or a prime) is a natural number greater than 1 that is not a product of two smaller natural numbers. A natural number greater than 1 that...

Number theory is a branch of mathematics devoted primarily to the study of the integers and arithmetic functions. Number theorists study prime numbers...

dictionary. 2000 (two thousand) is a natural number following 1999 and preceding 2001. It is: the highest number expressible using only two unmodified characters...

In linguistics, grammatical number is a feature, in many languages, of nouns, pronouns, adjectives and verb agreement that expresses count distinctions...

The symbol # is known as the number sign, hash, and the pound sign and has a variety of other names. The symbol has historically been used for a wide range...

floating-point arithmetic. Any non-zero number with magnitude smaller than the smallest positive normal number is subnormal, while denormal can also refer...

In mathematics, a rational number is a number that can be expressed as the quotient or fraction ⁠ p q {\displaystyle {\tfrac {p}{q}}} ⁠ of two integers...

In mathematics, a complex number is an element of a number system that extends the real numbers with a specific element denoted i, called the imaginary...

In fluid dynamics, the Reynolds number (Re) is a dimensionless quantity that helps predict fluid flow patterns in different situations by measuring the...

59 (fifty-nine) is the natural number following 58 and preceding 60. 59 is the 17th prime number, and 7th super-prime. It is also a good prime, a Higgs...

In mathematics, the nth taxicab number, typically denoted Ta(n) or Taxicab(n), is defined as the smallest integer that can be expressed as a sum of two...

In mathematics, a real number is a number that can be used to measure a continuous one-dimensional quantity such as a length, duration or temperature....

An illegal number is a number that represents information which is illegal to possess, utter, propagate, or otherwise transmit in some legal jurisdiction...

Look up number one or numero uno in Wiktionary, the free dictionary. Number One most commonly refers to: 1, the number, numeral, and glyph Number one (record...

base 10, it is a Harshad number. It is also the first number to be the square of a sphenic number. 900 is also: In Greek number symbols, the sign Sampi...

natural number following 66 and preceding 68. 67 is the 19th prime number, a Chen prime, an irregular prime, a lucky prime, a Heegner number, a super-prime...

90 (ninety) is the natural number following 89 and preceding 91. Look up ninety in Wiktionary, the free dictionary. In the English language, the numbers...

A telephone number is the address of a telecommunication endpoint, such as a telephone, in a telephone network, such as the public switched telephone network...

natural number following 72 and preceding 74. It is a prime number. 73 is a prime number, a twin prime (with 71), a Pierpont prime, and a star number. 73...

the natural number following 599 and preceding 601. Six hundred is a composite number, an abundant number, a pronic number, a Harshad number and a largely...

Commonwealth of Nations, ships are identified by pennant number (an internationalisation of pendant number, which it was called before 1948). Historically, naval...

natural number following 399 and preceding 401. A circle is divided into 400 grads. The number 400 equals 1111 in base 7. 401 is the 79th prime number. It...

700 (seven hundred) is the natural number following 699 and preceding 701. It is a composite number and the sum of four consecutive primes (167 + 173 +...

Dunbar's number is a suggested cognitive limit to the number of people with whom one can maintain stable social relationships—relationships in which an...

× 7. It is a tribonacci number, a semi-meandric number, a refactorable number, a Harshad number and a largely composite number. It is the sum of the smallest...

Graham's number is an immense number that arose as an upper bound on the answer of a problem in the mathematical field of Ramsey theory. It is much larger...

An f-number is a measure of the light-gathering ability of an optical system such as a camera lens. It is defined as the ratio of the system's focal length...

The Erdős number (Hungarian: [ˈɛrdøːʃ]) describes the "collaborative distance" between mathematician Paul Erdős and another person, measured by joint authorship...

natural number following 41 and preceding 43. 42 is a pronic number, an abundant number as well as a highly abundant number, a sphenic number, a practical...

30 (thirty) is the natural number following 29 and preceding 31. 30 is a composite, a pronic number, and a primorial. The SI prefix for 1030 is Quetta-...

In fluid mechanics, the Rayleigh number (Ra, after Lord Rayleigh) for a fluid is a dimensionless number associated with buoyancy-driven flow, also known...

(thirty-three) is the natural number following 32 and preceding 34. 33 is a composite number. 33 was the second to last number less than 100 whose representation...

[and] sixty-six or triple six) is the natural number following 665 and preceding 667. It is a composite number. In Christianity, 666 is referred to in most...

The IMO number of the International Maritime Organization is a generic term with two distinct applications: the IMO ship identification number is a unique...

43 (forty-three) is the natural number following 42 and preceding 44. 43 is a prime number, and a twin prime of 41. 43 is the smallest prime that is not...

A binary number is a number expressed in the base-2 numeral system or binary numeral system, a method for representing numbers that uses only two symbols...

Look up number in Wiktionary, the free dictionary. A number describes quantity and assesses multitude. Number, numbers, or The Number may also refer to:...

The triangular lattice representing the n {\displaystyle n} th triangular number contains n {\displaystyle n} rows: the first row contains one point, the...

89 (eighty-nine) is the natural number following 88 and preceding 90. 89 is: the 24th prime number, following 83 and preceding 97. a Chen prime. a Pythagorean...

25 (twenty-five) is the natural number following 24 and preceding 26. It is a square number, being 52. 25 is also the smallest square that is also a sum...

Number nine may refer to: 9 (number), natural number Number Nine, Arkansas, a community in the United States Nine (Sault album), a 2021 album by British...

number following 799 and preceding 801. It is the sum of four consecutive primes (193 + 197 + 199 + 211). It is a Harshad number, an Achilles number and...

The Prandtl number (Pr) is a dimensionless number, named for the German fluid dynamicist Ludwig Prandtl. It is defined as the ratio of momentum diffusivity...

58 (fifty-eight) is the natural number following 57 and preceding 59. 58 is a composite number, a semiprime, and a square-free integer. 58 is the sum of...

In mathematics, a transcendental number is a real or complex number that is not algebraic: that is, not the root of a non-zero polynomial with integer...

The International Standard Book Number (ISBN) is a numeric commercial book identifier that is intended to be unique. Publishers purchase or receive ISBNs...

natural-number results: subtracting a larger natural number from a smaller one results in a negative number and dividing one natural number by another...

Number 13 can refer to: 13 (number) Number 13 (comics) a comic strip in The Beano Number 13 (1922 film), a film by Alfred Hitchcock and starring Ernest...

The atomic number or nuclear charge number (symbol Z, from the German Zahl, "number") of a chemical element is the charge number of its atomic nucleus...

corresponding observable commutes with the Hamiltonian of the system, the quantum number is said to be "good", and acts as a constant of motion in the quantum dynamics...

flight number or flight designator is a code for an airline service consisting of a two-character airline designator and a 1 to 4 digit number. For example...

odd, composite number. It is also an extravagant number, a lucky number, a polite number, and a deficient number. 777 is a congruent number, as it is possible...

13 (thirteen) is the natural number following 12 and preceding 14. Folklore surrounding the number 13 appears in many cultures around the world: one theory...

the natural number following 11 and preceding 13. Twelve is the 3rd superior highly composite number, the 3rd colossally abundant number, the 5th highly...

natural number following 299 and preceding 301. 300 is a composite number and the 24th triangular number. It is also a second hexagonal number. 301 is...

82 (eighty-two) is the natural number following 81 and preceding 83. 82 is a happy number and a companion Pell number. It is palindromic in bases 3 (100013)...

Nusselt number is a nondimensionalization of the convective heat transfer coefficient. Like the heat transfer coefficient, the Nusselt number may be defined...

An International Standard Serial Number (ISSN) is an eight-digit code to uniquely identify a periodical publication (periodical), such as a magazine. The...

In fluid dynamics, the Schmidt number (denoted Sc) of a fluid is a dimensionless number defined as the ratio of momentum diffusivity (kinematic viscosity)...

31 (thirty-one) is the natural number following 30 and preceding 32. 31 is a prime number, a twin prime (with 29), a super-prime, a member of an emirp...

Number Six (The Prisoner), the protagonist of the TV series The Prisoner Number Six (Battlestar Galactica), a Cylon model in the reimagined TV series...

In graph theory, the Lovász number of a graph is a real number that is an upper bound on the Shannon capacity of the graph. It is also known as Lovász...

79 (seventy-nine) is the natural number following 78 and preceding 80. 79 is a Fortunate prime, a circular prime, a happy prime, a Higgs prime, a lucky...

(one hundred [and] fifty-seven) is the number following 156 and preceding 158. 157 is: the 37th prime number. The next prime is 163 and the previous...

50 (fifty) is the natural number following 49 and preceding 51. Fifty is the smallest number that is the sum of two non-zero square numbers in two distinct...

The Ekman number (Ek) is a dimensionless number used in fluid dynamics to describe the ratio of viscous forces to Coriolis forces. It is frequently used...

11 (eleven) is the natural number following 10 and preceding 12. It is the smallest number whose name in English has three syllables. "Eleven" derives...

91 (ninety-one) is the natural number following 90 and preceding 92. Look up 91 in Wiktionary, the free dictionary. 91 is: the twenty-seventh distinct...

natural number following 48 and preceding 50. 49 is the square of the prime number seven. It appears in the Padovan sequence. Along with the number that...

Look up magic number in Wiktionary, the free dictionary. Magic number may refer to: Magic number (chemistry), number of atoms or molecules forming an exceptionally...

required to carve the official number on the main beam; the system was controlled by the Bureau of Statistics. IMO number Hull number Merchant Shipping Act 1854...

Look up number two in Wiktionary, the free dictionary. Number Two, No. 2, or similar may refer to: No. 2 (film), a 2006 New Zealand film No. 2: Original...

month, the number of pairs of rabbits is equal to the number of mature pairs (that is, the number of pairs in month n – 2) plus the number of pairs alive...

A DEA number (DEA Registration Number) is an identifier assigned to a health care provider (such as a physician, physician assistant, nurse practitioner...

This is a list of languages by total number of speakers. It is difficult to define what constitutes a language as opposed to a dialect. For example, while...

Look up number five in Wiktionary, the free dictionary. Number Five may refer to: Chanel No. 5, a 1921 perfume, one of the best known in the world Craig...

(seventy) is the natural number following 69 and preceding 71. 70 is a composite number, an Erdős–Woods number, a Pell number, a central binomial coefficient...

The Hartmann number (Ha) is the ratio of electromagnetic force to the viscous force, first introduced by Julius Hartmann (1881 – 1951) of Denmark. It is...

95 (ninety-five) is the natural number following 94 and preceding 96. 95 is the third composite number in the 6-aliquot tree. The aliquot sum of 95 is...

The Mach number (M or Ma), often only Mach (/mɑːk/; German: [max]), is a dimensionless quantity in fluid dynamics representing the ratio of flow velocity...

178 (one hundred [and] seventy-eight) is the natural number following 177 and preceding 179. There are 178 biconnected graphs with six vertices, among...

56 (fifty-six) is the natural number following 55 and preceding 57. 56 is a composite number with prime factorization 2 3 ⋅ 7 {\displaystyle 2^{3}\cdot...

3-smooth number (210×3) 3075 – nonagonal number 3078 – 18th pentagonal pyramidal number 3080 – pronic number 3081 – triangular number, 497th sphenic number 3087...

101 (one hundred [and] one) is the natural number following 100 and preceding 102. It is variously pronounced "one hundred and one" / "a hundred and one"...

A schizophrenic number or mock rational number is an irrational number which displays certain characteristics of rational numbers. It is one of the numerous...

the second kind Bernoulli umbra Bell number Euler number Genocchi number Kummer's congruences Poly-Bernoulli number Hurwitz zeta function Euler summation...

In number theory, a perfect number is a positive integer that is equal to the sum of its positive proper divisors, that is, divisors excluding the number...

The CPF number (Brazilian Portuguese: [ˌsepeˈɛfi]; short for Cadastro de Pessoas Físicas, 'Physical Persons Register') is the Brazilian individual taxpayer...

Look up Number 10 in Wiktionary, the free dictionary. Number 10, #10 or variations thereof may refer to: 10 (number), the natural number itself 10 Downing...

The falling number (FN), also referred to as the Hagberg number or Hagberg–Perten number, is the internationally standardized (ICC 107/1, ISO 3093-2004...

the Sommerfeld number (S) is a dimensionless quantity used extensively in hydrodynamic lubrication analysis. The Sommerfeld number is very important...

In chemistry, a contact number (CN) is a simple solvent exposure measure that measures residue burial in proteins. The definition of CN varies between...

57 (fifty-seven) is the natural number following 56 and preceding 58. 57 has prime factorization 3 ⋅ 19 {\displaystyle 3\cdot 19} , and is therefore a...

(one hundred [and] thirteen) is the natural number following 112 and preceding 114. 113 is a prime number, a Sophie Germain prime, an emirp, an isolated...

A composite number is a positive integer that can be formed by multiplying two smaller positive integers. Accordingly, it is a positive integer that has...

twenty-two) is the natural number following 221 and preceding 223. It is a decimal repdigit and a strobogrammatic number (meaning that it looks the same...

In fluid dynamics, the Taylor number (Ta) is a dimensionless quantity that characterizes the importance of centrifugal "forces" or so-called inertial forces...

is the natural number following 25 and preceding 27. 26 is a composite number. 26 is also a telephone number, specifically, the number of ways of connecting...

rendering support, you may see question marks, boxes, or other symbols. Number Forms is a Unicode block containing Unicode compatibility characters that...

natural number following 50 and preceding 52. Fifty-one is a pentagonal number as well as a centered pentagonal number and an 18-gonal number It is the...

In number theory, a Liouville number is a real number x {\displaystyle x} with the property that, for every positive integer n {\displaystyle n} , there...

A Markov number or Markoff number is a positive integer x, y or z that is part of a solution to the Markov Diophantine equation x 2 + y 2 + z 2 = 3 x y...

fluid dynamics, the Galilei number (Ga), sometimes also referred to as Galileo number[by whom?], is a dimensionless number named after Italian scientist...

number following 65 and preceding 67. 66 is a sphenic number, a semiperfect number, and a Erdős–Woods number. It is also the 11th triangular number and...

aircraft registration number (civil aviation) United States military aircraft serials Vehicle Identification Number Hull number Pennant number Tail code, which...

14 (fourteen) is the natural number following 13 and preceding 15. Look up fourteen in Wiktionary, the free dictionary. 14 is the third distinct semiprime...

In mathematics, a real number is said to be simply normal in an integer base b if its infinite sequence of digits is distributed uniformly in the sense...

mathematics, a number is normalized when it is written in scientific notation with one non-zero decimal digit before the decimal point. Thus, a real number, when...

Fibonacci number, and the only nontrivial number in the sequence that is square. 144 is a highly totient number. 144 is the smallest number whose fifth...

The Shannon number, named after the American mathematician Claude Shannon, is a conservative lower bound of the game-tree complexity of chess of 10120...

21 (twenty-one) is the natural number following 20 and preceding 22. The current century is the 21st century AD, under the Gregorian calendar. Twenty-one...

EC number may refer to: Enzyme Commission number for enzymes European Community number for chemicals within EU regulatory schemes This disambiguation...

imaginary number is the product of a real number and the imaginary unit i, which is defined by its property i2 = −1. The square of an imaginary number bi is...

15 (fifteen) is the natural number following 14 and preceding 16. 15 is the eighth composite number and the sixth semiprime and the first odd and fourth...

the natural number following 45 and preceding 47. 46 is a composite number, a centered triangular number, a Wedderburn-Etherington number, and an Erdős–Woods...

(especially fluid thermodynamics), the Grashof number (Gr, after Franz Grashof) is a dimensionless number which approximates the ratio of the buoyancy to...

natural number following 105 and preceding 107. 106 is a centered pentagonal number, a centered heptagonal number, and a regular 19-gonal number. There...

is the natural number following 15 and preceding 17. It is the fourth power of two. 16 is the ninth composite number, and a square number: 42 = 4 × 4. It...

37 (thirty-seven) is the natural number following 36 and preceding 38. 37 is the 12th prime number, and the 3rd isolated prime without a twin prime. 37...

(eight hundred eighty-eight) is the natural number following 887 and preceding 889. It is a strobogrammatic number that reads the same right-side up and upside-down...

the natural number following 40 and preceding 42. Look up forty-one in Wiktionary, the free dictionary. 41 is the 13th smallest prime number, thus it is...

Look up number ones in Wiktionary, the free dictionary. Number 1s, #1s or Number Ones may refer to: A type of greatest hits album in which all or most...

The number π (/paɪ/ ; spelled out as pi) is a mathematical constant, approximately equal to 3.14159, that is the ratio of a circle's circumference to its...

The Number 23 is a 2007 American psychological thriller film written by Fernley Phillips and directed by Joel Schumacher. Jim Carrey stars as a man who...

Rayo's number is a large number named after Mexican philosophy professor Agustín Rayo, who defined it during a "Big Number Duel" at the Massachusetts...

53 (fifty-three) is the natural number following 52 and preceding 54. 53 is a balanced prime, an isolated prime, the eighth Sophie Germain prime, and the...

38 (thirty-eight) is the natural number following 37 and preceding 39. 38! − 1 is the 16th factorial prime. There is no answer to the equation φ(x) = 38...

(one hundred [and] forty-nine) is the natural number between 148 and 150. 149 is the 35th prime number, the first prime whose difference from the previous...

40 (forty) is the natural number following 39 and preceding 41. Though the word is related to four (4), the spelling forty replaced fourty during the 17th...

52 (fifty-two) is the natural number following 51 and preceding 53. 52 is the 5th Bell number; there are 52 ways to partition a set of 5 objects. With...

A NATO Stock Number, or National Stock Number (NSN) as it is known in the U.S., is a 13-digit numeric code used by the NATO military alliance, identifying...

In abstract algebra, the superreal numbers are a class of extensions of the real numbers, introduced by H. Garth Dales and W. Hugh Woodin as a generalization...

118 (one hundred [and] eighteen) is the natural number following 117 and preceding 119. There is no solution to the equation φ(x) = 118, making 118 a nontotient...

Look up number three in Wiktionary, the free dictionary. Number Three may refer to: No. 3, a 1997 South Korean gangster comedy film Nº3, an album by Dot...

135 (one hundred [and] thirty-five) is the natural number following 134 and preceding 136. There are 135 total Krotenheerdt k-uniform tilings for k < 8...

A number line is a graphical representation of a straight line that serves as spatial representation of numbers, usually graduated like a ruler with a...

18 (eighteen) is the natural number following 17 and preceding 19. 18 is a semiperfect number and an abundant number. In the classification of finite...

75 (seventy-five) is the natural number following 74 and preceding 76. 75 is a self number because there is no integer that added up to its own digits...

natural number following 47 and preceding 49. It is one third of a gross, or four dozen. 48 is a highly composite number, and a Størmer number. By a classical...

62 (sixty-two) is the natural number following 61 and preceding 63. 62 is a semiprime. It is also the number of faces of two of the Archimedean solids...

Golden number may mean: Golden number (time), a number assigned to a calendar year denoting its place in a Metonic cycle Golden ratio, an irrational mathematical...

In mathematics, a negative number is the opposite of a positive real number. Equivalently, a negative number is a real number that is less than zero. Negative...

natural number following 28 and preceding 30. It is a prime number. 29 is the number of days February has on a leap year. 29 is the tenth prime number. It...

Number Eight may refer to: 8 (number), the natural number 8 (J.J. Cale album) by the American singer-songwriter and musician Number 8, Pershore, community...

125 (one hundred [and] twenty-five) is the natural number following 124 and preceding 126. 125 is the cube of 5. It can be expressed as a sum of two squares...

(one hundred [and] seven) is the natural number following 106 and preceding 108. 107 is the 28th prime number. The next prime is 109, with which it comprises...

In number theory, a happy number is a number which eventually reaches 1 when the number is replaced by the sum of the square of each digit. For instance...

In number theory, a Carmichael number is a composite number ⁠ n {\displaystyle n} ⁠ which in modular arithmetic satisfies the congruence relation: b n...

In mathematics, an n-parasitic number (in base 10) is a positive natural number which, when multiplied by n, results in movement of the last digit of its...

9999 is the natural number following 9998 and preceding 10000. 9999 is an auspicious number in Chinese folklore. Many estimations of the rooms contained...

Number Four may refer to: 4 (number), a number, numeral, and glyph A hamlet in the town of Watson, New York #4, the pseudonym of American musician Jim...

17 (seventeen) is the natural number following 16 and preceding 18. It is a prime number. 17 is a Leyland number and Leyland prime, using 2 and 3 (23 +...

(one hundred [and] nine) is the natural number following 108 and preceding 110. 109 is the 29th prime number. As 29 is itself prime, 109 is the tenth...

natural number following 87 and preceding 89. 88 is: a refactorable number. a primitive semiperfect number. an untouchable number. a hexadecagonal number. an...

86 (eighty-six) is the natural number following 85 and preceding 87. 86 is: nontotient and a noncototient; the 25th distinct semiprime and the 13th of...

natural number following 4999 and preceding 5001. Five thousand is, at the same time, the largest isogrammic numeral, and the smallest number that contains...

equally spaced on a logarithmic scale. They therefore help to minimize the number of different sizes that need to be manufactured or kept in stock. Preferred...

the natural number following 68 and preceding 70. An odd number and a composite number, 69 is divisible by 1, 3, 23, and 69. The number and its pictograph...

80 (eighty) is the natural number following 79 and preceding 81. 80 is: The sum of Euler's totient function φ(x) over the first sixteen integers: 1 + 1...

the natural number following 71 and preceding 73. It is half a gross and also six dozen (i.e., 60 in duodecimal). 72 is a pronic number, as it is the...

In set theory, an ordinal number, or ordinal, is a generalization of ordinal numerals (first, second, nth, etc.) aimed to extend enumeration to infinite...

23,1,0). an octahedral number. a centered triangular number. a centered square number. a decagonal number. the smallest number that can be expressed as...

Geometrically, when the ratio of lengths of two line segments is an irrational number, the line segments are also described as being incommensurable, meaning...

the natural number following 168 and preceding 170. 169 is an odd number, a composite number, and a deficient number. 169 is a square number: 13 × 13 =...

Back Number (バックナンバー; Bakku Nambā) is a Japanese rock power trio formed in 2004. The band consists of Iyori Shimizu (lead vocals, guitar), Kazuya Kojima...

(seventy-eight) is the natural number following 77 and preceding 79. 78 is: the 5th discrete tri-prime; or also termed Sphenic number, and the 4th of the form...

39 (thirty-nine) is the natural number following 38 and preceding 40. 39 is the 12th distinct semiprime and the 4th in the (3.q) family. It is the last...

(twenty-two) is the natural number following 21 and preceding 23. 22 is a semiprime, a Smith number, and an Erdős–Woods number. 22 7 = 3.14 28 … {\displaystyle...

the natural number following 110 and preceding 112. 111 is the fourth non-trivial nonagonal number, and the seventh perfect totient number. 111 is furthermore...

74 (seventy-four) is the natural number following 73 and preceding 75. 74 is: the twenty-first distinct semiprime and the eleventh of the form (2.q), where...

(one hundred [and] eighty) is the natural number following 179 and preceding 181. 180 is an abundant number, with its proper divisors summing up to 366...

6000 (six thousand) is the natural number following 5999 and preceding 6001. 6028 – centered heptagonal number 6037 – super-prime, prime of the form 2p-1...

76 (seventy-six) is the natural number following 75 and preceding 77. 76 is: a composite number; a square-prime, of the form (p2, q) where q is a higher...

In numerical analysis, the condition number of a function measures how much the output value of the function can change for a small change in the input...

The number e is a mathematical constant, approximately equal to 2.71828, that is the base of the natural logarithm and exponential function. It is sometimes...

of Switzerland, are composed of a two-letter code for the canton and a number with up to 6 digits. The rear plates also display the coats of arms of Switzerland...

[and] forty-seven) is the natural number following 146 and preceding 148. 147 is the fourth centered icosahedral number. These are a class of figurate numbers...

In mathematics, an algebraic number is a number that is a root of a non-zero polynomial in one variable with integer (or, equivalently, rational) coefficients...

XXXII in Wiktionary, the free dictionary. 32 (thirty-two) is the natural number following 31 and preceding 33. 32 is the fifth power of two ( 2 5 {\displaystyle...

two) is the natural number following 101 and preceding 103. 102 is an abundant number and a semiperfect number. It is a sphenic number. The sum of Euler's...

is the natural number following 63 and preceding 65. 64 is a power of two, an interprime, a superperfect number, an Erdős–Woods number, a square and a...

the Beale number where a larger number indicates higher performance; however, the West number includes temperature compensation. The West number is often...

The number of the beast (Koine Greek: Ἀριθμὸς τοῦ θηρίου, Arithmós toû thēríou) is associated with the Beast of Revelation in chapter 13, verse 18 of the...

98 (ninety-eight) is the natural number following 97 and preceding 99. 98 is a Wedderburn–Etherington number and a nontotient. "Sloane's A001190 :...

natural number following 27 and preceding 29. 28 is a composite number, a perfect number, a harmonic divisor number, a centered nonagonal number, a hexagonal...

thickeners and gelling agents were added as well. The numbering scheme follows that of the International Numbering System (INS) as determined by the Codex Alimentarius...

expansion The last time the system length or number of stations in the metro system was expanded. Stations The number of stations in the metro network, with...

vehicle identification number (VIN; also called a chassis number or frame number) is a unique code, including a serial number, used by the automotive...

hundred [and] twenty-three) is the natural number following 122 and preceding 124. 123 is a Lucas number. It is the eleventh member of the Mian–Chowla...

the natural number following 98 and preceding 100. 99 is: a composite number a square-prime of the form (p2, q) the 11th composite number of this form...

the smallest Skewes's number? More unsolved problems in mathematics In number theory, Skewes's number is the smallest natural number x {\displaystyle x}...

A palindromic number (also known as a numeral palindrome or a numeric palindrome) is a number (such as 16361) that remains the same when its digits are...

83 (eighty-three) is the natural number following 82 and preceding 84. 83 is a Sophie Germain prime, a safe prime, a Chen prime, and an Eisenstein prime...

(twenty-three) is the natural number following 22 and preceding 24. It is a prime number. Twenty-three is the ninth prime number and the smallest odd prime...

A Taxpayer Identification Number (TIN) is an identifying number used for tax purposes in the United States and in other countries under the Common Reporting...

T-number or T number may refer to: A numerical system for the glyphs within the Pre-Columbian Mayan script, see J. Eric S. Thompson. Dvorak technique,...

fluid dynamics, the Graetz number (Gz) is a dimensionless number that characterizes laminar flow in a conduit. The number is defined as: G z = D H L R...

The Biot number (Bi) is a dimensionless quantity used in heat transfer calculations, named for the eighteenth-century French physicist Jean-Baptiste Biot...

121 (one hundred [and] twenty-one) is the natural number following 120 and preceding 122. 121 is a square (11 times 11) the sum of the powers of 3 from...

A person's Erdős–Bacon number is the sum of their Erdős number—which measures the "collaborative distance" in authoring academic papers between that person...

(fifty-five) is the natural number following 54 and preceding 56. 55 is composite number, a Fibonacci number and a Triangular number. In the United States,...

sixth smallest such product. 221 is a centered square number, an Ulam number, and a brilliant number, meaning that its prime factors have the same amount...

27 (twenty-seven) is the natural number following 26 and preceding 28. Including the null-motif, there are 27 distinct hypergraph motifs. There are exactly...

Channel number may refer to: A television channel number Virtual channel numbers, as used on digital television systems Wireless LAN channel numbers, see...

Number the Stars is a 1989 historical novel by the American author Lois Lowry about the escape of a family of Jews from Copenhagen, Denmark, during World...

The Richardson number, denoted Ri, is named after Lewis Fry Richardson (1881–1953). It is a dimensionless number that expresses the ratio of the buoyancy...

fourteen) is the natural number following 113 and preceding 115. 114 is an abundant number, a sphenic number and a Harshad number. There is no answer to...

routing policy to the Internet. Each AS is assigned an autonomous system number (ASN), for use in Border Gateway Protocol (BGP) routing. ASNs are assigned...

they were previously discovered in the 1730s by Minggatu. The n-th Catalan number can be expressed directly in terms of the central binomial coefficients...

1729 is the natural number following 1728 and preceding 1730. It is the first nontrivial taxicab number, expressed as the sum of two cubic positive integers...

(forty-seven) is the natural number following 46 and preceding 48. It is a prime number. It is the adopted favorite number of Pomona College, a liberal...

87 (eighty-seven) is the natural number following 86 and preceding 88. 87 is: the sum of the squares of the first four primes (87 = 22 + 32 + 52 + 72)...

hundred [and] thirty-seven) is the natural number following 136 and preceding 138. 137 is: the 33rd prime number; the next is 139, with which it comprises...

number following 189 and preceding 191. 190 is a triangular number, a hexagonal number, and a centered nonagonal number, the fourth figurate number (after...

In mathematics, a square number or perfect square is an integer that is the square of an integer; in other words, it is the product of some integer with...

In Indian cinema, an item number or special song is a musical number inserted into a film that may or may not have any relevance to the plot. The term...

[and] eighty-six) is the natural number following 785 and preceding 787. 786 is: a sphenic number. a harshad number in bases 4, 5, 7, 14 and 16. the aliquot...

countries in the Americas. These naming procedures are based on taking the number n occurring in 103n+3 (short scale) or 106n (long scale) and concatenating...

0 (zero, /ˈziː.roʊ/) is a number representing an empty quantity. Adding (or subtracting) 0 to any number leaves that number unchanged; in mathematical...

numbering is a function that assigns to each symbol and well-formed formula of some formal language a unique natural number, called its Gödel number....

highly composite number, the 4th colossally abundant number, the 9th highly composite number, a unitary perfect number, and an abundant number. The smallest...

122 (one hundred [and] twenty-two) is the natural number following 121 and preceding 123. 122 is a nontotient since there is no integer with exactly 122...

A UN number (United Nations number) is a four-digit number that identifies hazardous materials, and articles (such as explosives, flammable liquids, oxidizers...

sixty-eight) is the natural number following 167 and preceding 169. 168 is a Dedekind number, and an idoneal numbers, and a Cunningham number. 168 is the order...

(MAP) 241 INAP 232 CNAM (Calling Name) 247 LNP 248 800 number translation (AIN0.1) 254 800 number translation (TCAP) CAP SCCP SSN reallocation (PDF) 3GPP...

is the natural number following 34 and preceding 36. 35 is the sum of the first five triangular numbers, making it a tetrahedral number. 35 is the 10th...

Accession number may refer to: Accession number (bioinformatics), a unique identifier given to a biological polymer sequence (DNA, protein) when it is...

Account number may refer to: A number used to identify a bank account Payment card number, the primary account number found on credit cards and bank cards...

Charge number (denoted z {\displaystyle z} ) is a quantized and dimensionless quantity derived from electric charge, with the quantum of electric charge...

63 (sixty-three) is the natural number following 62 and preceding 64. 63 is a composite number and a Woodall number and a Central Delannoy numbers. Zsigmondy's...

143 (one hundred [and] forty-three) is the natural number following 142 and preceding 144. It is one less than a gross. On Mister Rogers' Neighborhood:...

is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z). The definitive visualisation of...

A Number is a 2002 play by British playwright Caryl Churchill. The story, set in the near future, is structured around the conflict between a father (Salter)...

third Love number, l, which was needed to obtain a complete overall description of the solid Earth's response to the tides. The Love number h is defined...

The Morphy number is a measure of how closely a chess player is connected to Paul Morphy (1837–1884) by way of playing chess games. People who played a...

is the natural number following 70 and preceding 72. Look up seventy-one in Wiktionary, the free dictionary. 71 is the 20th prime number. Because both...

97 (ninety-seven) is the natural number following 96 and preceding 98. 97 is the 25th prime number, a happy prime, and an emirp with 79. It is the smallest...

mathematics, class number may refer to Class number (group theory), in group theory, is the number of conjugacy classes of a group Class number (number theory),...

natural number following 44 and preceding 46. 45 is a composite number and a Størmer number. Forty-five is conjectured to be the Ramsey number R ( 5 ,...

Crossing number may refer to: Crossing number (knot theory) of a knot is the minimal number of crossings in any knot diagram for the knot. The average...

and has been in use since 1983. IPv4 addresses are defined as a 32-bit number, which later then became too small to provide enough addresses as the internet...

150 (one hundred [and] fifty) is the natural number following 149 and preceding 151. 150 is the sum of eight consecutive primes (7 + 11 + 13 + 17 + 19...

In number theory, a lucky number is a natural number in a set which is generated by a certain "sieve". This sieve is similar to the sieve of Eratosthenes...

natural number following 123 and preceding 125. 124 is an untouchable number, meaning that it is not the sum of proper divisors of any positive number. It...

countries by estimated number of privately owned guns per 100 people. The Small Arms Survey 2017 provides estimates of the total number of civilian-owned guns...

identity, meaning that any number multiplied by 1 equals the same number. 1 is by convention not considered a prime number. In digital technology, 1 represents...

the natural number following 107 and preceding 109. 108 is an abundant number, a self number, a semiperfect number and a tetranacci number. It is a Harshad...

the natural number following 359 and preceding 361. 360 is the 13th highly composite number and one of only seven numbers such that no number less than...

The Laplace number (La), also known as the Suratman number (Su), is a dimensionless number used in the characterization of free surface fluid dynamics...

77 (seventy-seven) is the natural number following 76 and preceding 78. Seventy-seven is the smallest positive integer requiring five syllables in English...

(two hundred [and] twenty) is the natural number following 219 and preceding 221 It is a composite number, with its proper divisors being 1, 2, 4, 5...

This is a list of languages by number of native speakers. All such rankings of human languages ranked by their number of native speakers should be used...

hundred [and] twenty) is the natural number following 119 and preceding 121. In the Germanic languages, the number 120 was also formerly known as "one...

68 (sixty-eight) is the natural number following 67 and preceding 69. 68 is a Perrin number. It has an aliquot sum of 58 within an aliquot sequence of...

natural number following 272 and preceding 274. 273 is a sphenic number, being the product of three distinct primes: 3 × 7 × 13. It is also a lucky number, a...

174 (one hundred [and] seventy-four) is the natural number following 173 and preceding 175. There are 174 7-crossing semi-meanders, ways of arranging a...

natural number following 199 and preceding 201. 200 is an abundant number, as 265, the sum of its proper divisors, is greater than itself. The number appears...

estimated 12,000 regular soldiers at the end of 1970 and four times that number by 1972. In June 1970, Sâr left Vietnam and reached his K-5 base. In July...

natural number following 95 and preceding 97. 96 is an octagonal number, a refactorable number, and an untouchable number. It is a semiperfect number since...

500 List of Companies 2025". Fortune. Retrieved Aug 3, 2026. "Map: The Number of Fortune 500 Companies in Each U.S. State". Visual Capitalist. 30 July...

seventy-one) is the natural number after 270 and before 272. 271 is a twin prime with 269, a cuban prime (a prime number that is the difference of two...

[and] forty) is the natural number following 139 and preceding 141. 140 is an abundant number and a harmonic divisor number. It is the sum of the squares...

natural number following 132 and preceding 134. 133 is an n whose divisors (excluding n itself) added up divide φ(n). It is an octagonal number and a happy...

the natural number following 193 and preceding 195. 194 is the smallest Markov number that is neither a Fibonacci number nor a Pell number. 194 is the...

A catalogue number (British English) or catalog number (American English) may refer to: Any number used to identify an item in a catalog (disambiguation)...

perfect totient number like all powers of three. a heptagonal number. an icosioctagonal number. a centered octagonal number. a tribonacci number. an open meandric...

In recreational mathematics, a Harshad number (or Niven number) in a given number base is an integer that is divisible by the sum of its digits when written...

In music, number refers to an individual song, dance, or instrumental piece which is part of a larger work of musical theatre, opera, or oratorio. It can...

92 (ninety-two) is the natural number following 91 and preceding 93. 92 is a composite number of the general form p2q, where q is a higher prime (23)....

starts with 0 and 1, then each following number is found by adding the number before it to twice the number before that. The first Jacobsthal numbers...

hundred [and] thirty-nine) is the natural number following 138 and preceding 140. 139 is the 34th prime number. It is a twin prime with 137. Because 141...

145 (one hundred [and] forty-five) is the natural number following 144 and preceding 146. Although composite, 145 is a Fermat pseudoprime in sixteen bases...

A telephone numbering plan is a type of numbering scheme used in a telecommunications network to assign telephone numbers to subscriber telephones or...

The Zeldovich number is a dimensionless number which provides a quantitative measure for the activation energy of a chemical reaction which appears in...

including counts of things, dimensionless quantities, and probabilities. Each number is given a name in the short scale, which is used in English-speaking countries...

Lucky Number Slevin (also known as The Wrong Man in Australia) is a 2006 black comedy neo-noir crime thriller film directed by Paul McGuigan and written...

In continuum mechanics, the Froude number (Fr, after William Froude, /ˈfruːd/) is a dimensionless number defined as the ratio of the flow inertia to the...

sensitive deliveries. It is a unique ID number or code assigned to a package or parcel. The tracking number is typically printed on the shipping label...

Aerial Ballet (1968). It is known for its opening line "One is the loneliest number that you'll ever do". Nilsson wrote the song after calling someone and getting...

are used to specify the noun in terms of quantity or number. The noun must agree with the number of the determiner, e.g. one man (sg.) but all men (pl...

is the natural number following 163 and preceding 165. 164 is a zero of the Mertens function. In base 10, 164 is the smallest number that can be expressed...

[and] thirty-two) is the natural number following 131 and preceding 133. It is 11 dozens. 132 is the sixth Catalan number. With twelve divisors total where...

published a new numbering system for the National Highway network in the Gazette of the Government of India. It is a systematic numbering scheme based on...

In music, the opus number is the "work number" that is assigned to a musical composition, or to a set of compositions, to indicate the chronological order...

In number theory, a semiperfect number or pseudoperfect number is a natural number n equal to the sum of all or some of its proper divisors. A semiperfect...

hundred [and] forty-one) is the natural number following 140 and preceding 142. 141 is: a centered pentagonal number. the sum of the sums of the divisors...

In continuum mechanics, the Péclet number (Pe, after Jean Claude Eugène Péclet) is a class of dimensionless numbers relevant in the study of transport...

Number Girl (Japanese: ナンバーガール, Hepburn: Nanbā Gāru) was a Japanese rock band from Fukuoka Prefecture, formed in August 1995 by vocalist and guitarist...

Number, Please may refer to: Number, Please (film), a 1931 British crime film Number, Please? (film), a 1920 American short comedy film Number Please (game...

The Bulk Richardson Number (BRN) is an approximation of the Gradient Richardson number. The BRN is a dimensionless ratio in meteorology related to the...

the natural number following 254 and preceding 256. Its factorization makes it a sphenic number. Since 255 = 28 – 1, it is a Mersenne number (though not...

In mathematics, the rotation number is an invariant of homeomorphisms of the circle. It was first defined by Henri Poincaré in 1885, in relation to the...

A serial number (SN) is a unique identifier used to uniquely identify an item, and is usually assigned incrementally or sequentially. Despite being called...

Retiring the number of an athlete is an honor a team bestows upon a player, usually after the player has left the team, retires from the sport, or dies...

In number theory, an extravagant number (also known as a wasteful number) is a natural number in a given number base that has fewer digits than the number...

In fluid dynamics the Eötvös number (Eo), also called the Bond number (Bo), is a dimensionless number measuring the importance of gravitational forces...

(one hundred [and] nineteen) is the natural number following 118 and preceding 120. 119 is a Perrin number. 119 is the order of the largest cyclic subgroups...

24 is an even composite number, a highly composite number, an abundant number, a practical number, and a congruent number. The many ways 24 can be constructed...

1958, with a second slightly revised edition in 1965.. Any finite natural number can be used in at least two ways: as an ordinal and as a cardinal. Cardinal...

numbers two terms apart in the Fibonacci sequence results in the Lucas number in between. The first few Lucas numbers are 2, 1, 3, 4, 7, 11, 18, 29, 47...

twelve) is the natural number following 111 and preceding 113. 112 is an abundant number, a heptagonal number, and a Harshad number. There are 112 connected...

A service number or roll number is an identification code used to identify a person within a large group. Service numbers are most often associated with...

numeral systems, Roman numerals are based on the additive principle: a number is written by concatenating individual symbols, each representing a fixed...

44 (forty-four) is the natural number following 43 and preceding 45. 44 is a composite number. There are 44 possible derangements of 5 items. There are...

In mathematics, a cardinal number, or cardinal for short, is a kind of number that measures the cardinality of a set, i.e., how many elements there are...

natural number following 164 and preceding 166. 165 is: an odd number, a composite number, and a deficient number. a sphenic number. a tetrahedral number. the...

until retirement by Kiel in 1989 are numbered upwards from 201; those already retired, or not IPA at all, are numbered downwards from 299. In addition, there...

the natural number following 211 and preceding 213. 212 is the sum for the first 26 totient integers. It is the smallest 3-digit number where X Y Z (...

Aadhaar is a twelve-digit unique identity number that can be obtained voluntarily by all residents of India based on their place of residence, biometrics...

This is a list of religious populations by number of adherents and countries. Pew Research Center published in 2025 an estimation of the proportions of...

The term c-number (classical number) is an old nomenclature introduced by Paul Dirac which refers to real and complex numbers. It is used to distinguish...

In astrophysics, the Eddington number, NEdd, is the number of protons in the observable universe. Eddington originally calculated it as about 1.57×1079;...

eighteen) is the natural number following 317 and preceding 319. It has significance in Judaism and Christianity. The number 318 has the proper divisors...

142 (one hundred [and] forty-two) is the natural number following 141 and preceding 143. There are 142 connected functional graphs on four labeled vertices...

201 (two hundred [and] one) is the natural number following 200 and preceding 202. As the two proper factors of 201, 3 and 67, are both Gaussian primes...

2005 and all identifiers are now assigned as CVEs. The assignment of a CVE number is not a guarantee that it will become an official CVE entry (e.g., a CVE...

Recommendation), titled The international public telecommunication numbering plan, that defines a numbering plan for the worldwide public switched telephone network...

twenty-three in Wiktionary, the free dictionary. 23 may refer to: 23 (number), the natural number following 22 and preceding 24 one of the years 23 BC, AD 23,...

or social insurance, assignees are required to print their own Corporate Number on the document. Corporate Numbers were implemented in 2015, along with...

172 (one hundred [and] seventy-two) is the natural number following 171 and preceding 173. 172 is a part of a near-miss for being a counterexample to Fermat's...

page number or as a folio. Like other numbering schemes such as chapter numbering, page numbers allow the citation of a particular page of the numbered document...

NHS numbers are the unique numbers allocated in a shared numbering scheme to registered users of the three public health services in England, Wales and...

hundred [and] five) is the natural number following 204 and preceding 206. 205 is a lucky number, and a Wolstenholme number. On an infinite chessboard, a knight...

mole is known as the Avogadro number, commonly denoted N0. The Avogadro number is an exact number equal to the number of constituent particles in one...

hundred [and] ten) is the natural number following 209 and preceding 211. 210 is an abundant number, and Harshad number. It is the product of the first...

Block number may refer to: United States Department of Defense aerospace vehicle designation, for general US military usage 1962 United States Tri-Service...

Power–speed number or power/speed number (PSN) is a sabermetrics baseball statistic developed by baseball author and analyst Bill James which combines...

Stroke number, or stroke count (simplified Chinese: 笔画数; traditional Chinese: 筆畫數; pinyin: bǐhuà shù), is the number of strokes of a Chinese character...

the large number of Pokémon, a listing of each species is divided into articles by generation. The 1025 Pokémon are organized by their number in the National...

natural number following 93 and preceding 95. 94 is: the twenty-ninth distinct semiprime and the fourteenth of the form (2.q). the ninth composite number in...

given its encoding on that machine, be assigned a number. This is the machine's description number. These numbers play a key role in Alan Turing's proof...

103 (one hundred [and] three) is the natural number following 102 and preceding 104. 103 is a prime number, and the largest prime factor of 6 ! + 1 = 721...

natural number following 127 and preceding 129. 128 is the seventh power of 2. It is the largest number which cannot be expressed as the sum of any number of...

250 (two hundred [and] fifty) is the natural number following 249 and preceding 251. 250 is a 5-smooth number, meaning that its divisors are all less than...

is the natural number following 1727 and preceding 1729. It is a dozen gross, or one great gross (or grand gross). It is also the number of cubic inches...

natural number after 279 and before 281. The denominator of the eighth harmonic number, 280 is an octagonal number. 280 is the smallest octagonal number that...

In mathematics, a pandigital number is an integer that in a given base has among its significant digits each digit used in the base at least once. For...

"Art Market Watch". Artnet. November 3, 2006. Retrieved November 8, 2006. Number 5, 1948 by Jackson Pollock No.5 1948 by Jackson Pollock Discussion by Janina...

188 (one hundred [and] eighty-eight) is the natural number following 187 and preceding 189. There are 188 different four-element semigroups, and 188 ways...

chemical compounds or molecules. Valence is generally understood to be the number of chemical bonds that each atom of a given chemical element typically forms...

175 (one hundred [and] seventy-five) is the natural number following 174 and preceding 176. Raising the decimal digits of 175 to the powers of successive...

A large number or the largest number are terms that may refer to: Large numbers, for notations to exactly specify very large numbers Names of large numbers...

hundred [and] sixteen) is the natural number following 615 and preceding 617. While 666 is called the "number of the beast" in most manuscripts of Revelation...

the natural number following 298 and preceding 300. 299 is an odd composite number with two prime factors. 299 is a highly cototient number, meaning that...

134 (one hundred [and] thirty-four) is the natural number following 133 and preceding 135. 134 is a nontotient since there is no integer with exactly 134...

Telephone number portability can refer to: Mobile number portability - telephone number portability for mobile phone users. Local number portability -...

seventy-three) is the natural number following 172 and preceding 174. 173 is: an odd number. a deficient number. an odious number. a balanced prime. an Eisenstein...

eighty-nine) is the natural number following 188 and preceding 190. 189 is a centered cube number and a heptagonal number. The centered cube numbers are...

34 (thirty-four) is the natural number following 33 and preceding 35. 34 is the twelfth semiprime, with four divisors including 1 and itself. Specifically...

[and] eighty-three) is the natural number following 182 and preceding 184. 183 is a perfect totient number, a number that is equal to the sum of its iterated...

S number may refer to: Meter Point Administration Number, often referred to as Supply Number or S-Number, a 21-digit number used in Great Britain to uniquely...

In mathematics, the n-th harmonic number is the sum of the reciprocals of the first n natural numbers: H n = 1 + 1 2 + 1 3 + ⋯ + 1 n = ∑ k = 1 n 1 k ....

Look up paint-by-numbers in Wiktionary, the free dictionary. Paint by number or painting by numbers kits are self-contained painting sets, designed to...

the natural number following 147 and before 149. 148 is the second number to be both a heptagonal number and a centered heptagonal number (the first is...

(one hundred [and] ninety-nine) is the natural number following 198 and preceding 200. It is a prime number and the fourth part of a prime quadruplet: 191...

"Maggie May". His 1972 follow-up album, Never a Dull Moment, also reached number one in the UK and Australia, while going top three in the US and Canada...

a natural number and integer following 152 and preceding 154. It is the sum of the first 17 integers (making it the 17th triangular number), and also...

116 (one hundred [and] sixteen) is the natural number following 115 and preceding 117. 116 is a noncototient, meaning that there is no solution to the...

_{0}=\varphi _{2}(0)} . The ordinal ε0 is still countable, as is any epsilon number whose index is countable. Uncountable ordinals also exist, along with uncountable...

natural number and positive integer following 53 and preceding 55. As a multiple of 2 but not of 4, 54 is an oddly even number and a composite number. 54...

In algebra, a split-complex number (or hyperbolic number, also perplex number, double number) is based on a hyperbolic unit j satisfying j 2 = 1 {\displaystyle...

a video game company because of the transition from 2D to 3D titles. A number of components of the game were challenging to implement, but Blow learned...

peaking at number 19. In 2014, he released his fourth studio album, Motion, which debuted at number one in his native Scotland, as well as number two in the...

A payment card number, primary account number (PAN), or simply a card number, is the card identifier found on payment cards, such as credit cards and...

Random number generation is a process by which, often by means of a random number generator (RNG), a sequence of numbers or symbols is generated that cannot...

(one hundred [and] ninety-three) is the natural number following 192 and preceding 194. 193 is the number of compositions of 14 into distinct parts. In...

number two in the unary numeral system (used in tallying scores). The number the numeral represents is called its value. Additionally, not all number...

(two hundred [and] seventy-two) is the natural number after 271 and before 273. 272 is a composite number, with divisors 1, 2, 4, 8, 16, 17, 34, 68, 136...

In mathematical physics, a Grassmann number, named after Hermann Grassmann (also called an anticommuting number or supernumber), is an element of the exterior...

is the natural number following 60 and preceding 62. 61 is the 18th prime number, and a twin prime with 59. As a centered square number, it is the sum...

186 (one hundred [and] eighty-six) is the natural number following 185 and preceding 187. There is no integer with exactly 186 coprimes less than it, so...

A pronic number is a number that is the product of two consecutive integers, that is, a number of the form n ( n + 1 ) {\displaystyle n(n+1)} . The study...

hundred [and] sixty) is the natural number following 259 and preceding 261. 260 is an abundant number, an Ulam number, and a member of the Moser-de Bruijn...

(thirty-six) is the natural number following 35 and preceding 37. 36 is both the square of six, and the eighth triangular number or the sum of the first eight...

[and] four) is the natural number following 103 and preceding 105. 104 is a refactorable number and a primitive semiperfect number. The smallest known 4-regular...

117 (one hundred [and] seventeen) is the natural number following 116 and preceding 118. 117 is the smallest possible length of the longest edge of an...

number is an integer for which cyclic permutations of the digits are successive integer multiples of the number. The most widely-known cyclic number is...

187 (one hundred [and] eighty-seven) is the natural number following 186 and preceding 188. There are 187 ways of forming a sum of positive integers that...

The following list sorts countries by the number of passengers transported by airlines that are registered in the respective country according to data...

scale; one thousand million) is the natural number following 999,999,999 and preceding 1,000,000,001. With a number, "billion" can be abbreviated as b, bil...

weeks at number one on the Billboard 200, while his third studio album, One Thing at a Time (2023), spent 19 non-consecutive weeks at number one. Its...

number following 160 and preceding 162. 161 is the sum of five consecutive prime numbers: 23, 29, 31, 37, and 41. 161 is a hexagonal pyramidal number...

A personal identification number (PIN; sometimes redundantly a PIN code or PIN number) is a numeric (sometimes alpha-numeric) passcode used in the process...

In the United States, a Social Security number (SSN) is a nine-digit number issued to U.S. citizens, permanent residents, and temporary (working) residents...

202 (two hundred [and] two) is the natural number following 201 and preceding 203. 202 is a Smith number, meaning that its digit sum and the sum of digits...

mass number (symbol A, from the German word: Atomgewicht, "atomic weight"), also called atomic mass number or nucleon number, is the total number of protons...

hundred [and] forty-six) is the natural number following 145 and preceding 147. 146 is an octahedral number, the number of spheres that can be packed into...

In mathematics, a Fermat number, named after Pierre de Fermat (1601–1665), the first known to have studied them, is a positive integer of the form: F n...

is the natural number following 158 and preceding 160. 159 is: the sum of 3 consecutive prime numbers: 47 + 53 + 59. a Woodall number. equal to the sum...

The Chandrasekhar number is a dimensionless quantity used in magnetic convection to represent the ratio of the Lorentz force to the viscosity. It is named...

kissing number for n-dimensional spheres in (n + 1)-dimensional Euclidean space? More unsolved problems in mathematics In geometry, the kissing number of a...

second number one single in the UK. Its third single, "Stay with Me", was internationally successful, reaching number one in the UK and number two on...

Art 1948: Summertime: Number 9A Tate Modern 1948: Number 19 1949: Number 1 Glenstone Museum 1949: Number 2 Munson 1949: Number 3 Hirshhorn Museum and...

{\displaystyle \textstyle \varphi ^{2}=\varphi +1} ⁠ and is an irrational number with a value of φ = 1 + 5 2 = {\displaystyle \varphi ={\frac {1+{\sqrt {5}}}{2}}={}}...

A collar number, also known as a shoulder number, force identification number (FIN) or occasionally as force number (although this can also refer to the...

185 (one hundred [and] eighty-five) is the natural number following 184 and preceding 186. There are 185 different directed graphs on four unlabeled vertices...

192 (one hundred [and] ninety-two) is the natural number following 191 and preceding 193. 192 has the prime factorization 2 6 × 3 {\displaystyle 2^{6}\times...

twenty-nine) is the natural number following 128 and preceding 130. 129 is the sum of the first ten prime numbers. It is the smallest number that can be expressed...

14th highly composite number. a highly abundant number. a Harshad number in every base from binary to decimal. the smallest number to be palindromic in...

International Article Number, also known as the European Article Number (EAN), is a global standard that defines a barcode format and a unique numbering system used...

Jackass Number Two is a 2006 American reality slapstick comedy film directed by Jeff Tremaine, and produced by Tremaine, Spike Jonze, and Johnny Knoxville...

Finite number may refer to: Natural number, a countable number less than infinity, being the cardinality of a finite set Real number, such as may result...

[and] eighty-two) is the natural number following 181 and preceding 183. 182 is an even number 182 is a composite number, as it is a positive integer with...

288 (two hundred [and] eighty-eight) is the natural number following 287 and preceding 289. Because 288 = 2 · 12 · 12, it may also be called "two gross"...

hundred [and] sixty-one) is the natural number following 260 and preceding 262. There are six divisors of this number, the divisors being 1, 3, 9, 29, 87...

hundred [and] ten) is the natural number following 109 and preceding 111. 110 is a sphenic number and a pronic number. Following the prime quadruplet (101...

"ISO 4217 Amendment Number 129" (PDF). 2005-10-13. "ISO 4217 Amendment Number 31" (PDF). 1990-03-26. "ISO 4217 Amendment Number 125" (PDF). London: BSI...

Heart", which became his first U.S. top-ten hit. His 1984 Canadian and U.S. number one album, Reckless, became the first album by a Canadian to be certified...

hundred [and] seventy-eight) is the natural number following 277 and preceding 279. 278 is an even composite number with 2 prime factors. 278 is equal to Φ(30)...

160 (one hundred [and] sixty) is the natural number following 159 and preceding 161. 160 is the sum of the first 11 primes, as well as the sum of the cubes...

The number of the beast, 666 in most manuscripts, is associated with the Beast of Revelation in the Book of Revelation in the Bible. Number of the Beast...

natural number following 195 and preceding 197. 196 is a square number, the square of 14. As the square of a Catalan number, it counts the number of walks...

fifty-five) is the natural number following 154 and preceding 156. 155 is: a composite number a semiprime. a deficient number, since 1+5+31=37<155. odious...

is the natural number following 247 and preceding 249. Additionally, 248 is: a nontotient. a refactorable number. an untouchable number. palindromic in...

(including signed zeros and subnormal numbers), infinities, and special "not a number" values (NaNs) interchange formats: encodings (bit strings) that may be...

This is a list of countries by their number of billionaire residents, based on annual assessments of the net worth in United States Dollars of wealthy...

In mathematics a gamma number may be: A value of the gamma function An additively indecomposable ordinal An ordinal Γα that is a fixed point of the Veblen...

number that unambiguously locates a particular volume in a position relative to other books in the library, on the basis of its subject. The number makes...

three weeks at number one before dropping to number two for a week, then returning for five weeks at number one, dropped back down to number two for another...

systems where the total number of particles may not be preserved, the number operator is the observable that counts the number of particles. The following...

United States Numbered Highway System (often called U.S. Routes or U.S. Highways) is an integrated network of roads and highways numbered within a nationwide...

seventy-one) is the natural number following 170 and preceding 172. 171 is the 18th triangular number and a Jacobsthal number. There are 171 transitive...

Sleep Number Corporation is an American manufacturer that makes Sleep Number adjustable beds as well as foundations and bedding accessories. The company...

Wiktionary, the free dictionary. Thirteen or 13 may refer to: 13 (number), the natural number following 12 and preceding 14 Any of the years 13 BC, AD 13,...

tales into sections with an AT number for each entry. The names given are typical, but usage varies; the same tale type number may be referred to by its central...

This is a list of college football teams by the number of weeks they have been ranked number one in the AP poll since its inception in 1936 through January...

In mathematics, an automorphic number (sometimes referred to as a circular number) is a natural number in a given number base b {\displaystyle b} whose...

115 (one hundred [and] fifteen) is the natural number following 114 and preceding 116. 115 has a square sum of divisors: σ ( 115 ) = 1 + 5 + 23 + 115 =...

electrons. The chemical elements are distinguished from each other by the number of protons that are in their atoms. For example, any atom that contains...

Tutone 2 (1981) through Columbia Records. It peaked at number four on the Billboard Hot 100 and number one on the Rock Top Tracks chart in April 1982. The...

2,5,15,52,203,877,4140,\dots } (sequence A000110 in the OEIS). The Bell number B n {\displaystyle B_{n}} counts the different ways to partition a set that...

152 (one hundred [and] fifty-two) is the natural number following 151 and preceding 153. 152 is the sum of four consecutive primes (31 + 37 + 41 + 43)...

mathematics, the winding number or winding index of a closed curve in the plane around a given point is an integer representing the total number of times that the...

65 (sixty-five) is the natural number following 64 and preceding 66. 65 is the nineteenth distinct semiprime, (5.13); and the third of the form (5.q),...

19 (nineteen) is the natural number following 18 and preceding 20. It is a prime number. 19 is the eighth prime number. 19 forms a twin prime pair with...

natural number following 839 and preceding 841. It is an even number. It is a practical number. It is a congruent number. It is a sparsely totient number It...

184 (one hundred [and] eighty-four) is the natural number following 183 and preceding 185. There are 184 different Eulerian graphs on eight unlabeled vertices...

the natural number following 1000 and preceding 1002. One thousand and one is a sphenic number, a pentagonal number, a pentatope number and the first...

natural number preceded by the number 261 and followed by 263. It has the prime factorization 2·131. There are four divisors of this number, the divisors...

natural number following 281 and preceding 283. 282 is an even composite number with three prime factors. 282 is a palindromic number. This is a number that...

starts with 0 and 1, and then each Pell number is the sum of twice the previous Pell number, plus the Pell number before that. The first few terms of the...

A part number (often abbreviated PN, P/N, part no., or part #) is an identifier of a particular part design or material used in a particular industry....

(acid dye, disperse dye, etc.), then its hue (e.g., orange), followed by a number assigned by the Colour Index, in chronological order (e.g., Acid Orange...

Look up Number 11 in Wiktionary, the free dictionary. Number 11, #11 or variations may refer to: Number 11 (novel), by Jonathan Coe Number 11, a 1952 painting...

United Kingdom, as the first lord of the treasury. Colloquially known as Number 10, the building is located in Downing Street, off Whitehall in the City...

Plato's number is a number enigmatically referred to by Plato in his dialogue the Republic (8.546b). The text is notoriously difficult to understand and...

An Individual Number (個人番号, kojin bangō), also known as My Number (マイナンバー, mai nambā), is a twelve-digit ID number automatically issued to all citizens...

typically includes the document-type indicator, bank code, bank account number, cheque number, cheque amount (usually added after a cheque is presented for payment)...

is the natural number following 135 and preceding 137. 136 is: a refactorable number and a composite number. the 16th triangular number. a repdigit in...

natural number following 175 and preceding 177. 176 is an even number and an abundant number. It is an odious number, a self number, a semiperfect number, and...

In mathematics, the surreal number system is a totally ordered proper class containing not only the real numbers but also infinite and infinitesimal numbers...

The unified civil number (Bulgarian: Единен граждански номер, ЕГН, romanized: Edinen grazhdanski nomer, EGN) is a 10-digit unique number assigned to each...

[and] four) is the natural number following 203 and preceding 205. 204 is a refactorable number. 204 is a square pyramidal number: 204 balls may be stacked...

the natural number following 104 and preceding 106. 105 is the 14th triangular number, a dodecagonal number, and the first Zeisel number. It is the first...

list representing time zones by country. Countries are ranked by total number of time zones on their territory. Time zones of a country include that of...

corresponding real number arithmetic operations by rounding any result that is not a floating-point number itself to a nearby floating-point number. For example...

number fields with class number 1. It is believed that there are infinitely many such number fields, but this has not been proven. The class number of...

501 (five hundred [and] one) is the natural number following 500 and preceding 502. 501 is the sum of the first eighteen primes. 501 is palindromic in...

especially in algebraic geometry, the intersection number generalizes the intuitive notion of counting the number of times two curves intersect to higher dimensions...

natural number following 92 and preceding 94. 93 is: the 28th distinct semiprime and the 9th of the form (3.q) where q is a higher prime. the first number in...

Secret Number (Korean: 시크릿넘버; stylized in all-caps) is a South Korean girl group formed by Vine Entertainment. The current lineup consists of four members:...

In number theory, a weird number is a natural number that is abundant but not semiperfect. In other words, the sum of the proper divisors (divisors including...

hundred [and] thirty-eight) is the natural number following 237 and preceding 239. 238 is an untouchable number. There are 238 2-vertex-connected graphs...

diffraction theory, the Fresnel number (F), named after the physicist Augustin-Jean Fresnel, is a dimensionless number relating to the pattern a beam of...

include certain classes of infinite and infinitesimal numbers. A hyperreal number x {\displaystyle x} is said to be finite when | x | < n {\displaystyle {|x|}<n}...

human-friendly name. For example, if a web page has an i-number, and links to that page use the i-number, then those links will not break even if the page is...

platforms, reaching number three on Billboard's World Albums Chart. In 2020, he released his second solo mixtape, D-2; it peaked at number 11 on the US Billboard...

project's advancement, the project would stall. The "bus factor" is the minimum number of team members that have to suddenly disappear from a project before the...

artist to achieve a UK number one with a fully self-written song. Her debut studio album, The Kick Inside (1978), reached number three on the UK Albums...

given two letters, the letter prefixes AC and BD, as the number of counties exceeded the number of usable letters. This system gave similar numbers as Denmark...

residents. Crude Divorce Rate = Number of divorces Population × 1000 {\displaystyle {\text{Crude Divorce Rate}}={\frac {\text{Number of divorces}}{\text{Population}}}\times...

Satellite Catalog Number (SATCAT), also known as NORAD Catalog Number, NORAD ID, USSPACECOM object number, is a sequential five-digit number assigned by the...

In particle physics, the baryon number (B) is an additive quantum number of a system. It is defined as B = 1 3 ( n q − n q ¯ ) , {\displaystyle B={\frac...

(one hundred [and] thirty) is the natural number following 129 and preceding 131. 130 is a sphenic number. It is a noncototient since there is no answer...

octagonal number 9029 – Sophie Germain prime 9041 – super-prime 9045 – triangular number 9059 – Sophie Germain prime 9072 – decagonal number 9077 – Markov...

In number theory, a deficient number or defective number is a positive integer n for which the sum of divisors of n is less than 2n. Equivalently, it...

Dudeney number. It is a self number in base 12. It is a Harshad number in decimal. It is the cube of the sum of its digits in base 10. It is the number of...

252 (two hundred [and] fifty-two) is the natural number following 251 and preceding 253. 252 is: the central binomial coefficient ( 10 5 ) {\displaystyle...

forty-seven) is the natural number following 246 and preceding 248. It is a composite number. 247 is a pentagonal number. "A000326 - OEIS". oeis.org....

(two hundred [and] fifty-six) is the natural number following 255 and preceding 257. 256 is a composite number, with the factorization 256 = 28, which makes...

ranked number 474 on Rolling Stone magazine's list of the 500 greatest albums of all time. Rolling Stone also ranked the song "Thirteen" as number 406 on...

hundred [and] seventy-nine) is the natural number following 278 and preceding 280. 279 is an odd composite number with two prime factors. Waring’s Conjecture...

the natural number following 273 and preceding 275. 274 is an even composite number. 274's sum of its proper divisors is 140. The number 274 is the 13th...

(two hundred [and] thirty-nine) is the natural number following 238 and preceding 240. 239 is a prime number. The next is 241, with which it forms a pair...

seventy-seven) is the natural number following 176 and preceding 178. One hundred and seventy-seven is the eighth Leyland number, where 177 = 2 7 + 7 2 . {\displaystyle...

producer. He has written and produced 26 number-one R&B hit songs and won 13 Grammy Awards. He was ranked number 20 on NME's 50 of The Greatest Producers...

the band their first Top 10 hit ("The One I Love") and album, peaking at number 10 on the Billboard 200. Document was R.E.M.'s first album to be co-produced...

number of peacekeepers contributed to United Nations operations based on United Nations reporting as of 31 October 2025. List of countries by number of...

Automatic number identification (ANI) is a feature of a telecommunications network for automatically determining the origination telephone number on toll...

In number theory, an abundant number or excessive number is a positive integer for which the sum of its proper divisors is greater than the number. The...

Number_i (ナンバーアイ; pronounced [nambaː ai]) is a Japanese boy band associated with Tobe, formed in October 2023. The group is formed by Sho Hirano, Yuta...

chemical element with the symbol Pb (from the Latin plumbum) and atomic number 82. It is a heavy metal, denser than most common materials. Lead is soft...

A pentagonal number is a figurate number that extends the concept of triangular and square numbers to the pentagon, but, unlike the first two, the patterns...

7000 (seven thousand) is the natural number following 6999 and preceding 7001. 7021 – triangular number 7043 – Sophie Germain prime 7056 = 842 7057 – cuban...

American radio stations. Key  ♪   – Number-one single of the year The following artists achieved four or more number-one hits during the 1970s. The following...

hundred [and] twenty-four) is the natural number following 223 and preceding 225. 224 is a practical number, and a sum of two positive cubes 23 + 63....

A national identification number or national identity number is used by the governments of many countries as a means of uniquely identifying their citizens...