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Natural number From Wikipedia, the free encyclopedia
158 (one hundred [and] fifty-eight) is the natural number following 157 and preceding 159.
| ||||
---|---|---|---|---|
Cardinal | one hundred fifty-eight | |||
Ordinal | 158th (one hundred fifty-eighth) | |||
Factorization | 2 × 79 | |||
Divisors | 1, 2, 79, 158 | |||
Greek numeral | ΡΝΗ´ | |||
Roman numeral | CLVIII | |||
Binary | 100111102 | |||
Ternary | 122123 | |||
Senary | 4226 | |||
Octal | 2368 | |||
Duodecimal | 11212 | |||
Hexadecimal | 9E16 |
158 is a nontotient, since there is no integer with 158 coprimes below it. 158 is a Perrin number, appearing after 68, 90, 119.[1]
158 is the number of digits in the decimal expansion of 100!, the product of all the natural numbers up to and including 100.
158 is also:
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