133 (number)
133 is the number equal to 100 + 30 + 3.
| Cardinal | One hundred [and] thirty-three |
| Ordinal | 133rd |
| Factorization | <math>7 \cdot 19<math> |
| Divisors | 7, 19 |
| Roman numeral | CXXXIII |
| Binary | 10000101 |
| Hexadecimal | 85 |
It is the smallest 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.
Uses
Categories: Number stubs | Integers