160 (one hundred [and] sixty) is the natural number following 159 and preceding 161.

← 159 160 161 →
Cardinalone hundred sixty
Ordinal160th
(one hundred sixtieth)
Factorization25 × 5
Divisors1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160
Greek numeralΡΞ´
Roman numeralCLX
Binary101000002
Ternary122213
Senary4246
Octal2408
Duodecimal11412
HexadecimalA016

In mathematics edit

160 is the sum of the first 11 primes, as well as the sum of the cubes of the first three primes.

Given 160, the Mertens function returns 0.[1] 160 is the smallest number n with exactly 12 solutions to the equation φ(x) = n.

In telecommunications edit

  • The number of characters permitted in a standard short message service[2]
  • The number for Dial-a-Disc (1966–1991), a telephone number operated by the General Post Office in the United Kingdom, which enabled callers to hear the latest chart hits

See also edit

References edit

  1. ^ "Sloane's A028442 : Numbers n such that Mertens' function is zero". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.
  2. ^ Hillebrand, Friedhelm (2010), Short Message Service (SMS): The Creation of Personal Global Text Messaging (2nd ed.), John Wiley & Sons, p. 55, ISBN 9780470689936.

External links edit