Compare 2531 vs 5281
| Property | 2531 | 5281 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 25311 | 52811 |
| Prime factorization | 2531 | 5281 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2531 | 1, 5281 |
| Number of properties | 7 | 6 |
| Additive primes | 193rd | |
| Centered decagonal primes | 16th | 21st |
| Chen primes | 223rd | |
| Good primes | 72nd | |
| Happy primes | 120th | |
| Harmonic primes | 139th | |
| Isolated primes | 227th | |
| Primes | 370th | 701st |
| Pythagorean primes | 344th | |
| Super primes | 126th | |
| Twin primes (2nd member) | 131st | |
| Roman numberals | MMDXXXI | |
| Base 2 | 1001111000112 | 10100101000012 |
| Base 3 | 101102023 | 210201213 |
| Base 4 | 2132034 | 11022014 |
| Base 5 | 401115 | 1321115 |
| Base 6 | 154156 | 402416 |
| Base 7 | 102447 | 212537 |
| Base 8 | 47438 | 122418 |
| Base 9 | 34229 | 72179 |
| Base 10 | 253110 | 528110 |
| Base 11 | 19a111 | 3a7111 |
| Base 12 | 156b12 | 308112 |
| Base 13 | 11c913 | 253313 |
| Base 14 | ccb14 | 1cd314 |
| Base 15 | b3b15 | 187115 |
| Base 16 | 9e316 | 14a116 |