Compare 1559 vs 1569
| Property | 1559 | 1569 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 15591 | 31 × 5231 |
| Prime factorization | 1559 | 3 × 523 |
| Divisors count | 2 | 4 |
| Divisors | 1, 1559 | 1, 3, 523, 1569 |
| Number of properties | 6 | 1 |
| Chen primes | 157th | |
| Emirps | 75th | |
| Isolated primes | 147th | |
| Primes | 246th | |
| Semiprimes | 456th | |
| Sexy primes (2nd member) | 107th | |
| Sophie germain primes | 52nd | |
| Roman numberals | MDLIX | MDLXIX |
| Base 2 | 110000101112 | 110001000012 |
| Base 3 | 20102023 | 20110103 |
| Base 4 | 1201134 | 1202014 |
| Base 5 | 222145 | 222345 |
| Base 6 | 111156 | 111336 |
| Base 7 | 43557 | 44017 |
| Base 8 | 30278 | 30418 |
| Base 9 | 21229 | 21339 |
| Base 10 | 155910 | 156910 |
| Base 11 | 119811 | 11a711 |
| Base 12 | a9b12 | aa912 |
| Base 13 | 92c13 | 93913 |
| Base 14 | 7d514 | 80114 |
| Base 15 | 6de15 | 6e915 |
| Base 16 | 61716 | 62116 |