Compare 2591 vs 2663
| Property | 2591 | 2663 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 25911 | 26631 |
| Prime factorization | 2591 | 2663 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2591 | 1, 2663 |
| Number of properties | 6 | 7 |
| Additive primes | 198th | 203rd |
| Chen primes | 228th | |
| Class 1+ primes | 21st | |
| Cousin primes (2nd member) | 79th | |
| Isolated primes | 237th | |
| Long primes | 155th | |
| Pierpont primes of the 2nd kind | 21st | |
| Primes | 377th | 386th |
| Prime triplets (3rd member) | 57th | |
| Sexy primes (2nd member) | 154th | |
| Twin primes (1st member) | 74th | |
| Roman numberals | MMDXCI | MMDCLXIII |
| Base 2 | 1010000111112 | 1010011001112 |
| Base 3 | 101122223 | 101221223 |
| Base 4 | 2201334 | 2212134 |
| Base 5 | 403315 | 411235 |
| Base 6 | 155556 | 201556 |
| Base 7 | 103617 | 105237 |
| Base 8 | 50378 | 51478 |
| Base 9 | 34889 | 35789 |
| Base 10 | 259110 | 266310 |
| Base 11 | 1a4611 | 200111 |
| Base 12 | 15bb12 | 165b12 |
| Base 13 | 124413 | 129b13 |
| Base 14 | d3114 | d8314 |
| Base 15 | b7b15 | bc815 |
| Base 16 | a1f16 | a6716 |