Compare 55 vs 57
| Property | 55 | 57 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 51 × 111 | 31 × 191 |
| Prime factorization | 5 × 11 | 3 × 19 |
| Divisors count | 4 | 4 |
| Divisors | 1, 5, 11, 55 | 1, 3, 19, 57 |
| Number of properties | 1 | 1 |
| Semiprimes | 19th | 20th |
| Roman numberals | LV | LVII |
| Base 2 | 1101112 | 1110012 |
| Base 3 | 20013 | 20103 |
| Base 4 | 3134 | 3214 |
| Base 5 | 2105 | 2125 |
| Base 6 | 1316 | 1336 |
| Base 7 | 1067 | 1117 |
| Base 8 | 678 | 718 |
| Base 9 | 619 | 639 |
| Base 10 | 5510 | 5710 |
| Base 11 | 5011 | 5211 |
| Base 12 | 4712 | 4912 |
| Base 13 | 4313 | 4513 |
| Base 14 | 3d14 | 4114 |
| Base 15 | 3a15 | 3c15 |
| Base 16 | 3716 | 3916 |