Compare 11981 vs 12451
| Property | 11981 | 12451 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 119811 | 124511 |
| Prime factorization | 11981 | 12451 |
| Divisors count | 2 | 2 |
| Divisors | 1, 11981 | 1, 12451 |
| Number of properties | 7 | 5 |
| Additive primes | 716th | |
| Chen primes | 735th | |
| Emirps | 325th | |
| Isolated primes | 968th | 1003rd |
| Long primes | 561st | 574th |
| Primes | 1437th | 1486th |
| Pythagorean primes | 707th | |
| Sexy primes (1st member) | 462nd | 474th |
| Roman numberals | ||
| Base 2 | 101110110011012 | 110000101000112 |
| Base 3 | 1211022023 | 1220020113 |
| Base 4 | 23230314 | 30022034 |
| Base 5 | 3404115 | 3443015 |
| Base 6 | 1312456 | 1333516 |
| Base 7 | 466347 | 512057 |
| Base 8 | 273158 | 302438 |
| Base 9 | 173829 | 180649 |
| Base 10 | 1198110 | 1245110 |
| Base 11 | 900211 | 939a11 |
| Base 12 | 6b2512 | 725712 |
| Base 13 | 55b813 | 588a13 |
| Base 14 | 451b14 | 477514 |
| Base 15 | 383b15 | 3a5115 |
| Base 16 | 2ecd16 | 30a316 |