Compare 12905 vs 12917
| Property | 12905 | 12917 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 291 × 891 | 129171 |
| Prime factorization | 5 × 29 × 89 | 12917 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 29, 89, 145, 445, 2581, 12905 | 1, 12917 |
| Number of properties | 0 | 9 |
| Chen primes | 780th | |
| Primes | 1538th | |
| Prime triplets (1st member) | 126th | |
| Pythagorean primes | 763rd | |
| Sexy primes (1st member) | 492nd | |
| Sexy primes (2nd member) | 491st | |
| Sexy prime triplets (2nd member) | 139th | |
| Twin primes (1st member) | 246th | |
| Ulam primes | 111th | |
| Roman numberals | ||
| Base 2 | 110010011010012 | 110010011101012 |
| Base 3 | 1222002223 | 1222011023 |
| Base 4 | 30212214 | 30213114 |
| Base 5 | 4031105 | 4031325 |
| Base 6 | 1354256 | 1354456 |
| Base 7 | 524247 | 524427 |
| Base 8 | 311518 | 311658 |
| Base 9 | 186289 | 186429 |
| Base 10 | 1290510 | 1291710 |
| Base 11 | 977211 | 978311 |
| Base 12 | 757512 | 758512 |
| Base 13 | 5b4913 | 5b5813 |
| Base 14 | 49bb14 | 49c914 |
| Base 15 | 3c5515 | 3c6215 |
| Base 16 | 326916 | 327516 |