Compare 11981 vs 12157
| Property | 11981 | 12157 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 119811 | 121571 |
| Prime factorization | 11981 | 12157 |
| Divisors count | 2 | 2 |
| Divisors | 1, 11981 | 1, 12157 |
| Number of properties | 7 | 6 |
| Chen primes | 735th | |
| Cousin primes (1st member) | 237th | |
| Emirps | 325th | |
| Isolated primes | 968th | 980th |
| Long primes | 561st | |
| Primes | 1437th | 1455th |
| Prime triplets (1st member) | 124th | |
| Pythagorean primes | 707th | 717th |
| Sexy primes (1st member) | 462nd | 469th |
| Roman numberals | ||
| Base 2 | 101110110011012 | 101111011111012 |
| Base 3 | 1211022023 | 1212000213 |
| Base 4 | 23230314 | 23313314 |
| Base 5 | 3404115 | 3421125 |
| Base 6 | 1312456 | 1321416 |
| Base 7 | 466347 | 503057 |
| Base 8 | 273158 | 275758 |
| Base 9 | 173829 | 176079 |
| Base 10 | 1198110 | 1215710 |
| Base 11 | 900211 | 915211 |
| Base 12 | 6b2512 | 705112 |
| Base 13 | 55b813 | 56c213 |
| Base 14 | 451b14 | 460514 |
| Base 15 | 383b15 | 390715 |
| Base 16 | 2ecd16 | 2f7d16 |