Compare 1557 vs 1563
| Property | 1557 | 1563 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 32 × 1731 | 31 × 5211 |
| Prime factorization | 3 × 3 × 173 | 3 × 521 |
| Divisors count | 6 | 4 |
| Divisors | 1, 3, 9, 173, 519, 1557 | 1, 3, 521, 1563 |
| Number of properties | 0 | 1 |
| Semiprimes | 454th | |
| Roman numberals | MDLVII | MDLXIII |
| Base 2 | 110000101012 | 110000110112 |
| Base 3 | 20102003 | 20102203 |
| Base 4 | 1201114 | 1201234 |
| Base 5 | 222125 | 222235 |
| Base 6 | 111136 | 111236 |
| Base 7 | 43537 | 43627 |
| Base 8 | 30258 | 30338 |
| Base 9 | 21209 | 21269 |
| Base 10 | 155710 | 156310 |
| Base 11 | 119611 | 11a111 |
| Base 12 | a9912 | aa312 |
| Base 13 | 92a13 | 93313 |
| Base 14 | 7d314 | 7d914 |
| Base 15 | 6dc15 | 6e315 |
| Base 16 | 61516 | 61b16 |