Compare 11981 vs 12143
| Property | 11981 | 12143 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 119811 | 121431 |
| Prime factorization | 11981 | 12143 |
| Divisors count | 2 | 2 |
| Divisors | 1, 11981 | 1, 12143 |
| Number of properties | 7 | 8 |
| Additive primes | 699th | |
| Chen primes | 735th | |
| Emirps | 325th | |
| Happy primes | 242nd | |
| Isolated primes | 968th | 978th |
| Long primes | 561st | 566th |
| Primes | 1437th | 1453rd |
| Pythagorean primes | 707th | |
| Sexy primes (1st member) | 462nd | 468th |
| Super primes | 231st | |
| Ulam primes | 108th | |
| Roman numberals | ||
| Base 2 | 101110110011012 | 101111011011112 |
| Base 3 | 1211022023 | 1211222023 |
| Base 4 | 23230314 | 23312334 |
| Base 5 | 3404115 | 3420335 |
| Base 6 | 1312456 | 1321156 |
| Base 7 | 466347 | 502557 |
| Base 8 | 273158 | 275578 |
| Base 9 | 173829 | 175829 |
| Base 10 | 1198110 | 1214310 |
| Base 11 | 900211 | 913a11 |
| Base 12 | 6b2512 | 703b12 |
| Base 13 | 55b813 | 56b113 |
| Base 14 | 451b14 | 45d514 |
| Base 15 | 383b15 | 38e815 |
| Base 16 | 2ecd16 | 2f6f16 |