Compare 11981 vs 11981
| Property | 11981 | 11981 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 119811 | 119811 |
| Prime factorization | 11981 | 11981 |
| Divisors count | 2 | 2 |
| Divisors | 1, 11981 | 1, 11981 |
| Number of properties | 7 | 7 |
| Chen primes | 735th | 735th |
| Emirps | 325th | 325th |
| Isolated primes | 968th | 968th |
| Long primes | 561st | 561st |
| Primes | 1437th | 1437th |
| Pythagorean primes | 707th | 707th |
| Sexy primes (1st member) | 462nd | 462nd |
| Roman numberals | ||
| Base 2 | 101110110011012 | 101110110011012 |
| Base 3 | 1211022023 | 1211022023 |
| Base 4 | 23230314 | 23230314 |
| Base 5 | 3404115 | 3404115 |
| Base 6 | 1312456 | 1312456 |
| Base 7 | 466347 | 466347 |
| Base 8 | 273158 | 273158 |
| Base 9 | 173829 | 173829 |
| Base 10 | 1198110 | 1198110 |
| Base 11 | 900211 | 900211 |
| Base 12 | 6b2512 | 6b2512 |
| Base 13 | 55b813 | 55b813 |
| Base 14 | 451b14 | 451b14 |
| Base 15 | 383b15 | 383b15 |
| Base 16 | 2ecd16 | 2ecd16 |