Compare 12491 vs 12689
| Property | 12491 | 12689 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 124911 | 126891 |
| Prime factorization | 12491 | 12689 |
| Divisors count | 2 | 2 |
| Divisors | 1, 12491 | 1, 12689 |
| Number of properties | 9 | 5 |
| Additive primes | 720th | |
| Cousin primes (2nd member) | 243rd | |
| Emirps | 342nd | 350th |
| Happy primes | 248th | |
| Harmonic primes | 542nd | |
| Isolated primes | 1008th | 1028th |
| Long primes | 578th | |
| Primes | 1491st | 1515th |
| Pythagorean primes | 750th | |
| Sexy primes (1st member) | 476th | |
| Sexy prime triplets (1st member) | 134th | |
| Roman numberals | ||
| Base 2 | 110000110010112 | 110001100100012 |
| Base 3 | 1220101223 | 1221012223 |
| Base 4 | 30030234 | 30121014 |
| Base 5 | 3444315 | 4012245 |
| Base 6 | 1334556 | 1344256 |
| Base 7 | 512637 | 516657 |
| Base 8 | 303138 | 306218 |
| Base 9 | 181189 | 183589 |
| Base 10 | 1249110 | 1268910 |
| Base 11 | 942611 | 959611 |
| Base 12 | 728b12 | 741512 |
| Base 13 | 58bb13 | 5a1113 |
| Base 14 | 47a314 | 48a514 |
| Base 15 | 3a7b15 | 3b5e15 |
| Base 16 | 30cb16 | 319116 |