Compare 1559 vs 1669
| Property | 1559 | 1669 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 15591 | 16691 | 
| Prime factorization | 1559 | 1669 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 1559 | 1, 1669 | 
| Number of properties | 6 | 9 | 
| Chen primes | 157th | 166th | 
| Emirps | 75th | 81st | 
| Isolated primes | 147th | |
| Primes | 246th | 263rd | 
| Prime triplets (3rd member) | 43rd | |
| Pythagorean primes | 126th | |
| Sexy primes (2nd member) | 107th | 113th | 
| Sexy prime triplets (3rd member) | 43rd | |
| Sophie germain primes | 52nd | |
| Super primes | 56th | |
| Twin primes (2nd member) | 53rd | |
| Roman numberals | MDLIX | MDCLXIX | 
| Base 2 | 110000101112 | 110100001012 | 
| Base 3 | 20102023 | 20212113 | 
| Base 4 | 1201134 | 1220114 | 
| Base 5 | 222145 | 231345 | 
| Base 6 | 111156 | 114216 | 
| Base 7 | 43557 | 46037 | 
| Base 8 | 30278 | 32058 | 
| Base 9 | 21229 | 22549 | 
| Base 10 | 155910 | 166910 | 
| Base 11 | 119811 | 128811 | 
| Base 12 | a9b12 | b7112 | 
| Base 13 | 92c13 | 9b513 | 
| Base 14 | 7d514 | 87314 | 
| Base 15 | 6de15 | 76415 | 
| Base 16 | 61716 | 68516 |