133 (number)
Encyclopedia : 1 : 13 : 133 : 133 (number)
133 is the natural number following 132 and preceding 134.
| Cardinal | One hundred [and] thirty-three |
| Ordinal | 133rd |
| Factorization | [7 \cdot 19] |
| Divisors | 7, 19 |
| Roman numeral | CXXXIII |
| Binary | 10000101 |
| Hexadecimal | 85 |
In mathematics
133 is an n whose divisors (excluding n itself) added up divide φ(n). It is an octagonal number and a Harshad number. It is also a happy number.133 is a repdigit in base 11 (111).
In other fields
The year 133 or 133 BC
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