Compare 1558 vs 1559
| Property | 1558 | 1559 | 
|---|---|---|
| Type | composite number | prime | 
| Unique factors | 3 | 1 | 
| Total factors | 3 | 1 | 
| Prime factorization | 21 × 191 × 411 | 15591 | 
| Prime factorization | 2 × 19 × 41 | 1559 | 
| Divisors count | 8 | 2 | 
| Divisors | 1, 2, 19, 38, 41, 82, 779, 1558 | 1, 1559 | 
| Number of properties | 0 | 6 | 
| Chen primes | 157th | |
| Emirps | 75th | |
| Isolated primes | 147th | |
| Primes | 246th | |
| Sexy primes (2nd member) | 107th | |
| Sophie germain primes | 52nd | |
| Roman numberals | MDLVIII | MDLIX | 
| Base 2 | 110000101102 | 110000101112 | 
| Base 3 | 20102013 | 20102023 | 
| Base 4 | 1201124 | 1201134 | 
| Base 5 | 222135 | 222145 | 
| Base 6 | 111146 | 111156 | 
| Base 7 | 43547 | 43557 | 
| Base 8 | 30268 | 30278 | 
| Base 9 | 21219 | 21229 | 
| Base 10 | 155810 | 155910 | 
| Base 11 | 119711 | 119811 | 
| Base 12 | a9a12 | a9b12 | 
| Base 13 | 92b13 | 92c13 | 
| Base 14 | 7d414 | 7d514 | 
| Base 15 | 6dd15 | 6de15 | 
| Base 16 | 61616 | 61716 |