124 (number)
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|---|---|---|---|---|
| Cardinal | one hundred twenty-four | |||
| Ordinal | 124th (one hundred and twenty-fourth) |
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| Factorization | 22× 31 | |||
| Divisors | 1, 2, 4, 31, 62, 124 | |||
| Roman numeral | CXXIV | |||
| Binary | 11111002 | |||
| Ternary | 111213 | |||
| Quaternary | 13304 | |||
| Quinary | 4445 | |||
| Senary | 3246 | |||
| Octal | 1748 | |||
| Duodecimal | A412 | |||
| Hexadecimal | 7C16 | |||
| Vigesimal | 6420 | |||
| Base 36 | 3G36 | |||
124 (one hundred [and] twenty-four) is the natural number following 123 and preceding 125.
124 is the sum of eight consecutive primes (5 + 7 + 11 + 13 + 17 + 19 + 23 + 29). It is a nontotient since there is no integer with 124 coprimes below it. It is an untouchable number since there is no integer whose proper divisors add up to 124.
In base 5 it is a repdigit (4445).
124 is also:
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Wikipedia