Compare 133 vs 161
| Property | 133 | 161 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 71 × 191 | 71 × 231 |
| Prime factorization | 7 × 19 | 7 × 23 |
| Divisors count | 4 | 4 |
| Divisors | 1, 7, 19, 133 | 1, 7, 23, 161 |
| Number of properties | 1 | 1 |
| Semiprimes | 44th | 54th |
| Roman numberals | CXXXIII | CLXI |
| Base 2 | 100001012 | 101000012 |
| Base 3 | 112213 | 122223 |
| Base 4 | 20114 | 22014 |
| Base 5 | 10135 | 11215 |
| Base 6 | 3416 | 4256 |
| Base 7 | 2507 | 3207 |
| Base 8 | 2058 | 2418 |
| Base 9 | 1579 | 1889 |
| Base 10 | 13310 | 16110 |
| Base 11 | 11111 | 13711 |
| Base 12 | b112 | 11512 |
| Base 13 | a313 | c513 |
| Base 14 | 9714 | b714 |
| Base 15 | 8d15 | ab15 |
| Base 16 | 8516 | a116 |