Compare 1559 vs 1931
| Property | 1559 | 1931 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15591 | 19311 |
| Prime factorization | 1559 | 1931 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1559 | 1, 1931 |
| Number of properties | 6 | 5 |
| Chen primes | 157th | 182nd |
| Emirps | 75th | |
| Harmonic primes | 108th | |
| Isolated primes | 147th | |
| Primes | 246th | 294th |
| Sexy primes (2nd member) | 107th | |
| Sophie germain primes | 52nd | 59th |
| Twin primes (1st member) | 59th | |
| Roman numberals | MDLIX | MCMXXXI |
| Base 2 | 110000101112 | 111100010112 |
| Base 3 | 20102023 | 21221123 |
| Base 4 | 1201134 | 1320234 |
| Base 5 | 222145 | 302115 |
| Base 6 | 111156 | 125356 |
| Base 7 | 43557 | 54267 |
| Base 8 | 30278 | 36138 |
| Base 9 | 21229 | 25759 |
| Base 10 | 155910 | 193110 |
| Base 11 | 119811 | 14a611 |
| Base 12 | a9b12 | 114b12 |
| Base 13 | 92c13 | b5713 |
| Base 14 | 7d514 | 9bd14 |
| Base 15 | 6de15 | 88b15 |
| Base 16 | 61716 | 78b16 |