Compare 133 vs 166
| Property | 133 | 166 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 71 × 191 | 21 × 831 |
| Prime factorization | 7 × 19 | 2 × 83 |
| Divisors count | 4 | 4 |
| Divisors | 1, 7, 19, 133 | 1, 2, 83, 166 |
| Number of properties | 1 | 1 |
| Semiprimes | 44th | 55th |
| Roman numberals | CXXXIII | CLXVI |
| Base 2 | 100001012 | 101001102 |
| Base 3 | 112213 | 200113 |
| Base 4 | 20114 | 22124 |
| Base 5 | 10135 | 11315 |
| Base 6 | 3416 | 4346 |
| Base 7 | 2507 | 3257 |
| Base 8 | 2058 | 2468 |
| Base 9 | 1579 | 2049 |
| Base 10 | 13310 | 16610 |
| Base 11 | 11111 | 14111 |
| Base 12 | b112 | 11a12 |
| Base 13 | a313 | ca13 |
| Base 14 | 9714 | bc14 |
| Base 15 | 8d15 | b115 |
| Base 16 | 8516 | a616 |