Compare 12638 vs 12641
| Property | 12638 | 12641 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 711 × 891 | 126411 |
| Prime factorization | 2 × 71 × 89 | 12641 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 71, 89, 142, 178, 6319, 12638 | 1, 12641 |
| Number of properties | 0 | 12 |
| 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 | |
| Sexy primes (1st member) | 484th | |
| Sexy prime quadrupletss (1st member) | 27th | |
| Sexy prime triplets (1st member) | 137th | |
| Ulam primes | 109th | |
| Roman numberals | ||
| Base 2 | 110001010111102 | 110001011000012 |
| Base 3 | 1221000023 | 1221000123 |
| Base 4 | 30111324 | 30112014 |
| Base 5 | 4010235 | 4010315 |
| Base 6 | 1343026 | 1343056 |
| Base 7 | 515637 | 515667 |
| Base 8 | 305368 | 305418 |
| Base 9 | 183029 | 183059 |
| Base 10 | 1263810 | 1264110 |
| Base 11 | 954a11 | 955211 |
| Base 12 | 739212 | 739512 |
| Base 13 | 59a213 | 59a513 |
| Base 14 | 486a14 | 486d14 |
| Base 15 | 3b2815 | 3b2b15 |
| Base 16 | 315e16 | 316116 |