Compare 11981 vs 11984
| Property | 11981 | 11984 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 6 |
| Prime factorization | 119811 | 24 × 71 × 1071 |
| Prime factorization | 11981 | 2 × 2 × 2 × 2 × 7 × 107 |
| Divisors count | 2 | 20 |
| Divisors | 1, 11981 | 1, 2, 4, 7, 8, 14, 16, 28, 56, 107, 112, 214, 428, 749, 856, 1498, 1712, 2996, 5992, 11984 |
| Number of properties | 7 | 0 |
| Chen primes | 735th | |
| Emirps | 325th | |
| Isolated primes | 968th | |
| Long primes | 561st | |
| Primes | 1437th | |
| Pythagorean primes | 707th | |
| Sexy primes (1st member) | 462nd | |
| Roman numberals | ||
| Base 2 | 101110110011012 | 101110110100002 |
| Base 3 | 1211022023 | 1211022123 |
| Base 4 | 23230314 | 23231004 |
| Base 5 | 3404115 | 3404145 |
| Base 6 | 1312456 | 1312526 |
| Base 7 | 466347 | 466407 |
| Base 8 | 273158 | 273208 |
| Base 9 | 173829 | 173859 |
| Base 10 | 1198110 | 1198410 |
| Base 11 | 900211 | 900511 |
| Base 12 | 6b2512 | 6b2812 |
| Base 13 | 55b813 | 55bb13 |
| Base 14 | 451b14 | 452014 |
| Base 15 | 383b15 | 383e15 |
| Base 16 | 2ecd16 | 2ed016 |