Compare 12917 vs 12920
| Property | 12917 | 12920 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 6 |
| Prime factorization | 129171 | 23 × 51 × 171 × 191 |
| Prime factorization | 12917 | 2 × 2 × 2 × 5 × 17 × 19 |
| Divisors count | 2 | 32 |
| Divisors | 1, 12917 | 1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6460, 12920 |
| Number of properties | 9 | 0 |
| 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 | 110010011101012 | 110010011110002 |
| Base 3 | 1222011023 | 1222011123 |
| Base 4 | 30213114 | 30213204 |
| Base 5 | 4031325 | 4031405 |
| Base 6 | 1354456 | 1354526 |
| Base 7 | 524427 | 524457 |
| Base 8 | 311658 | 311708 |
| Base 9 | 186429 | 186459 |
| Base 10 | 1291710 | 1292010 |
| Base 11 | 978311 | 978611 |
| Base 12 | 758512 | 758812 |
| Base 13 | 5b5813 | 5b5b13 |
| Base 14 | 49c914 | 49cc14 |
| Base 15 | 3c6215 | 3c6515 |
| Base 16 | 327516 | 327816 |