123 (number)
Appearance
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Cardinal | one hundred twenty-three | |||
Ordinal | 123rd (one hundred twenty-third) | |||
Factorization | 3 × 41 | |||
Divisors | 1, 3, 41, 123 | |||
Greek numeral | ΡΚΓ´ | |||
Roman numeral | CXXIII | |||
Binary | 11110112 | |||
Ternary | 111203 | |||
Quaternary | 13234 | |||
Quinary | 4435 | |||
Senary | 3236 | |||
Octal | 1738 | |||
Duodecimal | A312 | |||
Hexadecimal | 7B16 | |||
Vigesimal | 6320 | |||
Base 36 | 3F36 |
123 is the natural number after 122 and before 124 and is a Lucas number. It is divisible by 1, 3, 41, and 123. It is the emergency telephone number in Colombia.