| ||||
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Cardinal | one hundred thirty-three | |||
Ordinal | 133rd (one hundred thirty-third) | |||
Factorization | 7 × 19 | |||
Divisors | 1, 7, 19, 133 | |||
Greek numeral | ΡΛΓ´ | |||
Roman numeral | CXXXIII | |||
Binary | 100001012 | |||
Ternary | 112213 | |||
Quaternary | 20114 | |||
Quinary | 10135 | |||
Senary | 3416 | |||
Octal | 2058 | |||
Duodecimal | B112 | |||
Hexadecimal | 8516 | |||
Vigesimal | 6D20 | |||
Base 36 | 3P36 |
133 (one hundred [and] thirty-three) is a natural number. It is after 132 and before 134.
The sum of 133's proper divisors is equal to φ(n).
133 is an octagonal number,[1] a Harshad number[2] and a happy number.[3]
In base 11(111) and base 18(77), 133 is a repdigit(a natural number that has only one type of digit).
133 is a semiprime number number(a product of 7 and 19). 7 and 19 are both Gaussian primes. This makes that 133 is a Blum integer
133 is also: