Compare 2557 vs 2568
| Property | 2557 | 2568 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 5 |
| Prime factorization | 25571 | 23 × 31 × 1071 |
| Prime factorization | 2557 | 2 × 2 × 2 × 3 × 107 |
| Divisors count | 2 | 16 |
| Divisors | 1, 2557 | 1, 2, 3, 4, 6, 8, 12, 24, 107, 214, 321, 428, 642, 856, 1284, 2568 |
| Number of properties | 8 | 0 |
| Additive primes | 196th | |
| Chen primes | 226th | |
| Happy primes | 66th | |
| Isolated primes | 230th | |
| Lucky primes | 81st | |
| Primes | 375th | |
| Pythagorean primes | 183rd | |
| Sexy primes (2nd member) | 153rd | |
| Roman numberals | MMDLVII | MMDLXVIII |
| Base 2 | 1001111111012 | 1010000010002 |
| Base 3 | 101112013 | 101120103 |
| Base 4 | 2133314 | 2200204 |
| Base 5 | 402125 | 402335 |
| Base 6 | 155016 | 155206 |
| Base 7 | 103127 | 103267 |
| Base 8 | 47758 | 50108 |
| Base 9 | 34519 | 34639 |
| Base 10 | 255710 | 256810 |
| Base 11 | 1a1511 | 1a2511 |
| Base 12 | 159112 | 15a012 |
| Base 13 | 121913 | 122713 |
| Base 14 | d0914 | d1614 |
| Base 15 | b5715 | b6315 |
| Base 16 | 9fd16 | a0816 |