Compare 2587 vs 2591
| Property | 2587 | 2591 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 131 × 1991 | 25911 |
| Prime factorization | 13 × 199 | 2591 |
| Divisors count | 4 | 2 |
| Divisors | 1, 13, 199, 2587 | 1, 2591 |
| Number of properties | 1 | 6 |
| Additive primes | 198th | |
| Chen primes | 228th | |
| Class 1+ primes | 21st | |
| Pierpont primes of the 2nd kind | 21st | |
| Primes | 377th | |
| Semiprimes | 735th | |
| Twin primes (1st member) | 74th | |
| Roman numberals | MMDLXXXVII | MMDXCI |
| Base 2 | 1010000110112 | 1010000111112 |
| Base 3 | 101122113 | 101122223 |
| Base 4 | 2201234 | 2201334 |
| Base 5 | 403225 | 403315 |
| Base 6 | 155516 | 155556 |
| Base 7 | 103547 | 103617 |
| Base 8 | 50338 | 50378 |
| Base 9 | 34849 | 34889 |
| Base 10 | 258710 | 259110 |
| Base 11 | 1a4211 | 1a4611 |
| Base 12 | 15b712 | 15bb12 |
| Base 13 | 124013 | 124413 |
| Base 14 | d2b14 | d3114 |
| Base 15 | b7715 | b7b15 |
| Base 16 | a1b16 | a1f16 |