160 (number)
160 (one hundred [and] sixty) is the natural number following 159 and preceding 161.
| ||||
|---|---|---|---|---|
| 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 | |||
| Senary | 4246 | |||
| Octal | 2408 | |||
| Duodecimal | 11412 | |||
| Hexadecimal | A016 | |||
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
- "Sloane's A028442 : Numbers n such that Mertens' function is zero". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016-05-28.
- 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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