Compare 1151 vs 2591
| Property | 1151 | 2591 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 11511 | 25911 |
| Prime factorization | 1151 | 2591 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1151 | 1, 2591 |
| Number of properties | 10 | 6 |
| Additive primes | 198th | |
| Chen primes | 126th | 228th |
| Class 1+ primes | 20th | 21st |
| Emirps | 47th | |
| Good primes | 48th | |
| Happy primes | 40th | |
| Multiplicative primes | 15th | |
| Pierpont primes of the 2nd kind | 20th | 21st |
| Primes | 190th | 377th |
| Solinas primes | 51st | |
| Twin primes (1st member) | 41st | 74th |
| Roman numberals | MCLI | MMDXCI |
| Base 2 | 100011111112 | 1010000111112 |
| Base 3 | 11201223 | 101122223 |
| Base 4 | 1013334 | 2201334 |
| Base 5 | 141015 | 403315 |
| Base 6 | 51556 | 155556 |
| Base 7 | 32337 | 103617 |
| Base 8 | 21778 | 50378 |
| Base 9 | 15189 | 34889 |
| Base 10 | 115110 | 259110 |
| Base 11 | 95711 | 1a4611 |
| Base 12 | 7bb12 | 15bb12 |
| Base 13 | 6a713 | 124413 |
| Base 14 | 5c314 | d3114 |
| Base 15 | 51b15 | b7b15 |
| Base 16 | 47f16 | a1f16 |