Compare 2539 vs 2557
| Property | 2539 | 2557 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 25391 | 25571 |
| Prime factorization | 2539 | 2557 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2539 | 1, 2557 |
| Number of properties | 6 | 8 |
| Additive primes | 194th | 196th |
| Chen primes | 226th | |
| Cousin primes (1st member) | 77th | |
| Good primes | 73rd | |
| Happy primes | 66th | |
| Isolated primes | 228th | 230th |
| Long primes | 146th | |
| Lucky primes | 81st | |
| Primes | 371st | 375th |
| Pythagorean primes | 183rd | |
| Sexy primes (2nd member) | 153rd | |
| Roman numberals | MMDXXXIX | MMDLVII |
| Base 2 | 1001111010112 | 1001111111012 |
| Base 3 | 101110013 | 101112013 |
| Base 4 | 2132234 | 2133314 |
| Base 5 | 401245 | 402125 |
| Base 6 | 154316 | 155016 |
| Base 7 | 102557 | 103127 |
| Base 8 | 47538 | 47758 |
| Base 9 | 34319 | 34519 |
| Base 10 | 253910 | 255710 |
| Base 11 | 19a911 | 1a1511 |
| Base 12 | 157712 | 159112 |
| Base 13 | 120413 | 121913 |
| Base 14 | cd514 | d0914 |
| Base 15 | b4415 | b5715 |
| Base 16 | 9eb16 | 9fd16 |