Compare 12641 vs 12643
| Property | 12641 | 12643 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 126411 | 471 × 2691 |
| Prime factorization | 12641 | 47 × 269 |
| Divisors count | 2 | 4 |
| Divisors | 1, 12641 | 1, 47, 269, 12643 |
| Number of properties | 12 | 1 |
| Centered square primes | 28th | |
| Chen primes | 766th | |
| Cousin primes (2nd member) | 244th | |
| Emirps | 348th | |
| Harmonic primes | 540th | |
| Isolated primes | 1023rd | |
| Primes | 1510th | |
| Pythagorean primes | 748th | |
| Semiprimes | 3284th | |
| Sexy primes (1st member) | 484th | |
| Sexy prime quadrupletss (1st member) | 27th | |
| Sexy prime triplets (1st member) | 137th | |
| Ulam primes | 109th | |
| Roman numberals | ||
| Base 2 | 110001011000012 | 110001011000112 |
| Base 3 | 1221000123 | 1221000213 |
| Base 4 | 30112014 | 30112034 |
| Base 5 | 4010315 | 4010335 |
| Base 6 | 1343056 | 1343116 |
| Base 7 | 515667 | 516017 |
| Base 8 | 305418 | 305438 |
| Base 9 | 183059 | 183079 |
| Base 10 | 1264110 | 1264310 |
| Base 11 | 955211 | 955411 |
| Base 12 | 739512 | 739712 |
| Base 13 | 59a513 | 59a713 |
| Base 14 | 486d14 | 487114 |
| Base 15 | 3b2b15 | 3b2d15 |
| Base 16 | 316116 | 316316 |