160 (number)

← 159 160 161 →
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Cardinal one hundred sixty
Ordinal 160th
(one hundred sixtieth)
Factorization 25× 5
Divisors 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160
Greek numeral ΡΞ´
Roman numeral CLX
Binary 101000002
Ternary 122213
Quaternary 22004
Quinary 11205
Senary 4246
Octal 2408
Duodecimal 11412
Hexadecimal A016
Vigesimal 8020
Base 36 4G36

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

In mathematics

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

  • 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

References

  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 .
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