Compare 2551 vs 2591
| Property | 2551 | 2591 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 25511 | 25911 |
| Prime factorization | 2551 | 2591 |
| Divisors count | 2 | 2 |
| Divisors | 1, 2551 | 1, 2591 |
| Number of properties | 4 | 6 |
| Additive primes | 195th | 198th |
| Chen primes | 228th | |
| Class 1+ primes | 21st | |
| Pierpont primes of the 2nd kind | 21st | |
| Primes | 374th | 377th |
| Sexy primes (1st member) | 153rd | |
| Twin primes (1st member) | 74th | |
| Twin primes (2nd member) | 73rd | |
| Roman numberals | MMDLI | MMDXCI |
| Base 2 | 1001111101112 | 1010000111112 |
| Base 3 | 101111113 | 101122223 |
| Base 4 | 2133134 | 2201334 |
| Base 5 | 402015 | 403315 |
| Base 6 | 154516 | 155556 |
| Base 7 | 103037 | 103617 |
| Base 8 | 47678 | 50378 |
| Base 9 | 34449 | 34889 |
| Base 10 | 255110 | 259110 |
| Base 11 | 1a0a11 | 1a4611 |
| Base 12 | 158712 | 15bb12 |
| Base 13 | 121313 | 124413 |
| Base 14 | d0314 | d3114 |
| Base 15 | b5115 | b7b15 |
| Base 16 | 9f716 | a1f16 |