359 (number)

← 358 359 360 →
Cardinalthree hundred fifty-nine
Ordinal359th
(three hundred fifty-ninth)
Factorizationprime
Prime72nd
Greek numeralΤΝΘ´
Roman numeralCCCLIX
Binary1011001112
Ternary1110223
Senary13556
Octal5478
Duodecimal25B12
Hexadecimal16716

359 (three hundred [and] fifty-nine) is the natural number following 358 and preceding 360. 359 is the 72nd prime number.

In mathematics

  • 359 is a Sophie Germain prime: (also a Sophie Germain prime).
  • It is also a safe prime, because subtracting 1 and halving it gives another prime number (179, itself also safe).
  • Since the reversal of its digits gives 953, which is prime, it is also an emirp.
  • 359 is an Eisenstein prime with no imaginary part[1] and a Chen prime.[2]
  • It is a strictly non-palindromic number.[3]

In other fields

  • According to the author Douglas Adams, 359 is the funniest three-digit number.[4]

  1. ^ "Eisein prime". mathworld.wolfram.com.
  2. ^ "Chen prime". mathworld.wolfram.com.
  3. ^ Sloane, N. J. A. (ed.). "Sequence A016038". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation.
  4. ^ Simpson, M. J. (2005-04-29). Hitchhiker: A Biography of Douglas Adams. Justin, Charles & Co. ISBN 9781932112351. Read 2015-12-06