119 (number)
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119 (one hundred [and] nineteen) is the natural number following 118 and preceding 120.
| 119 | |
|---|---|
| Cardinal | one hundred [and] nineteen |
| Ordinal | 119th (one hundred [and] nineteenth) |
| Numeral system | 119 |
| Factorization |  |
| Divisors | 1, 7, 17, 119 |
| Roman numeral | CXIX |
| Binary | 11101112 |
| Octal | 1678 |
| Duodecimal | 9B12 |
| Hexadecimal | 7716 |
Contents |
[edit] Mathematics
- 119 is a Perrin number, preceded in the sequence by 51, 68, 90 (it is the sum of the first two mentioned).
- 119 is the sum of five consecutive primes (17 + 19 + 23 + 29 + 31). It is a highly cototient number.
- 119 is the order of the largest cyclic subgroups of the Monster group. Reference: Atlas of Finite Groups [1]
- 119 is the smallest composite number that is 1 less than a factorial (120 is 5!).
[edit] Telephony
- 1-1-9 is an emergency telephone number in some countries
- A number to report children / youth at risk in France[2]
119 is the emergency number in Afghanistan that belongs to police and interior ministry.
[edit] Computers
- The default port for unencrypted NNTP connections
[edit] See also
[edit] References
- ^ J. H. Conway et al.: Atlas of Finite Groups. Clarendon Press, Oxford, 1985. ISBN 0-19-853199-0 (Page 223)
- ^ Descriptive website
