Compare 2551 vs 2687
| Property | 2551 | 2687 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 25511 | 26871 |
| Prime factorization | 2551 | 2687 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2551 | 1, 2687 |
| Number of properties | 4 | 11 |
| Additive primes | 195th | 205th |
| Chen primes | 234th | |
| Cousin primes (2nd member) | 80th | |
| Good primes | 79th | |
| Long primes | 156th | |
| Primes | 374th | 390th |
| Prime triplets (1st member) | 59th | |
| Prime triplets (2nd member) | 58th | |
| Sexy primes (1st member) | 153rd | 158th |
| Sexy prime triplets (1st member) | 58th | |
| Twin primes (1st member) | 76th | |
| Twin primes (2nd member) | 73rd | |
| Roman numberals | MMDLI | MMDCLXXXVII |
| Base 2 | 1001111101112 | 1010011111112 |
| Base 3 | 101111113 | 102001123 |
| Base 4 | 2133134 | 2213334 |
| Base 5 | 402015 | 412225 |
| Base 6 | 154516 | 202356 |
| Base 7 | 103037 | 105567 |
| Base 8 | 47678 | 51778 |
| Base 9 | 34449 | 36159 |
| Base 10 | 255110 | 268710 |
| Base 11 | 1a0a11 | 202311 |
| Base 12 | 158712 | 167b12 |
| Base 13 | 121313 | 12b913 |
| Base 14 | d0314 | d9d14 |
| Base 15 | b5115 | be215 |
| Base 16 | 9f716 | a7f16 |