Compare 1557 vs 1567
| Property | 1557 | 1567 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 32 × 1731 | 15671 |
| Prime factorization | 3 × 3 × 173 | 1567 |
| Divisors count | 6 | 2 |
| Divisors | 1, 3, 9, 173, 519, 1557 | 1, 1567 |
| Number of properties | 0 | 7 |
| Additive primes | 134th | |
| Chen primes | 158th | |
| Cousin primes (1st member) | 55th | |
| Isolated primes | 148th | |
| Long primes | 95th | |
| Lucky primes | 59th | |
| Primes | 247th | |
| Roman numberals | MDLVII | MDLXVII |
| Base 2 | 110000101012 | 110000111112 |
| Base 3 | 20102003 | 20110013 |
| Base 4 | 1201114 | 1201334 |
| Base 5 | 222125 | 222325 |
| Base 6 | 111136 | 111316 |
| Base 7 | 43537 | 43667 |
| Base 8 | 30258 | 30378 |
| Base 9 | 21209 | 21319 |
| Base 10 | 155710 | 156710 |
| Base 11 | 119611 | 11a511 |
| Base 12 | a9912 | aa712 |
| Base 13 | 92a13 | 93713 |
| Base 14 | 7d314 | 7dd14 |
| Base 15 | 6dc15 | 6e715 |
| Base 16 | 61516 | 61f16 |