Compare 1559 vs 1663
| Property | 1559 | 1663 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 15591 | 16631 |
| Prime factorization | 1559 | 1663 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1559 | 1, 1663 |
| Number of properties | 6 | 11 |
| Chen primes | 157th | |
| Cousin primes (1st member) | 59th | |
| Emirps | 75th | |
| Happy primes | 50th | |
| Harmonic primes | 91st | |
| Isolated primes | 147th | 158th |
| Long primes | 102nd | |
| Lucky primes | 62nd | |
| Primes | 246th | 261st |
| Prime triplets (1st member) | 43rd | |
| Sexy primes (1st member) | 113th | |
| Sexy primes (2nd member) | 107th | 112th |
| Sexy prime triplets (2nd member) | 43rd | |
| Sophie germain primes | 52nd | |
| Roman numberals | MDLIX | MDCLXIII |
| Base 2 | 110000101112 | 110011111112 |
| Base 3 | 20102023 | 20211213 |
| Base 4 | 1201134 | 1213334 |
| Base 5 | 222145 | 231235 |
| Base 6 | 111156 | 114116 |
| Base 7 | 43557 | 45647 |
| Base 8 | 30278 | 31778 |
| Base 9 | 21229 | 22479 |
| Base 10 | 155910 | 166310 |
| Base 11 | 119811 | 128211 |
| Base 12 | a9b12 | b6712 |
| Base 13 | 92c13 | 9ac13 |
| Base 14 | 7d514 | 86b14 |
| Base 15 | 6de15 | 75d15 |
| Base 16 | 61716 | 67f16 |