160 (number)
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Find sources: "160" number – news · newspapers · books · scholar · JSTOR (May 2010) (Learn how and when to remove this message)
Find sources: "160" number – news · newspapers · books · scholar · JSTOR (May 2010) (Learn how and when to remove this message)
Natural number
| Cardinal | one hundred sixty |
|---|---|
| Ordinal | 160th (one hundred sixtieth) |
| Factorization | 25 ×ばつ 5 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160 |
| Greek numeral | ΡΞ ́ |
| Roman numeral | CLX, clx |
| Binary | 101000002 |
| Ternary | 122213 |
| Senary | 4246 |
| Octal | 2408 |
| Duodecimal | 11412 |
| Hexadecimal | A016 |
160 (one hundred [and] sixty) is the natural number following 159 and preceding 161.
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 ]- 160 is the number of characters permitted in a standard short message service.[2]
References
[edit ]- ^ "Sloane's A028442 : Numbers n such that Mertens' function is zero". The On-Line Encyclopedia of Integer Sequences. OEIS Foundation. Retrieved 2016年05月28日.
- ^ 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 ]
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