Compare 2591 vs 2687
| Property | 2591 | 2687 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 25911 | 26871 |
| Prime factorization | 2591 | 2687 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2591 | 1, 2687 |
| Number of properties | 6 | 11 |
| Additive primes | 198th | 205th |
| Chen primes | 228th | 234th |
| Class 1+ primes | 21st | |
| Cousin primes (2nd member) | 80th | |
| Good primes | 79th | |
| Long primes | 156th | |
| Pierpont primes of the 2nd kind | 21st | |
| Primes | 377th | 390th |
| Prime triplets (1st member) | 59th | |
| Prime triplets (2nd member) | 58th | |
| Sexy primes (1st member) | 158th | |
| Sexy prime triplets (1st member) | 58th | |
| Twin primes (1st member) | 74th | 76th |
| Roman numberals | MMDXCI | MMDCLXXXVII |
| Base 2 | 1010000111112 | 1010011111112 |
| Base 3 | 101122223 | 102001123 |
| Base 4 | 2201334 | 2213334 |
| Base 5 | 403315 | 412225 |
| Base 6 | 155556 | 202356 |
| Base 7 | 103617 | 105567 |
| Base 8 | 50378 | 51778 |
| Base 9 | 34889 | 36159 |
| Base 10 | 259110 | 268710 |
| Base 11 | 1a4611 | 202311 |
| Base 12 | 15bb12 | 167b12 |
| Base 13 | 124413 | 12b913 |
| Base 14 | d3114 | d9d14 |
| Base 15 | b7b15 | be215 |
| Base 16 | a1f16 | a7f16 |