Compare 9907 vs 9917
| Property | 9907 | 9917 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 99071 | 471 × 2111 |
| Prime factorization | 9907 | 47 × 211 |
| Divisors count | 2 | 4 |
| Divisors | 1, 9907 | 1, 47, 211, 9917 |
| Number of properties | 4 | 1 |
| Harmonic primes | 445th | |
| Isolated primes | 815th | |
| Primes | 1222nd | |
| Semiprimes | 2598th | |
| Sexy primes (2nd member) | 409th | |
| Roman numberals | ||
| Base 2 | 100110101100112 | 100110101111012 |
| Base 3 | 1111202213 | 1111210223 |
| Base 4 | 21223034 | 21223314 |
| Base 5 | 3041125 | 3041325 |
| Base 6 | 1135116 | 1135256 |
| Base 7 | 406127 | 406257 |
| Base 8 | 232638 | 232758 |
| Base 9 | 145279 | 145389 |
| Base 10 | 990710 | 991710 |
| Base 11 | 749711 | 74a611 |
| Base 12 | 589712 | 58a512 |
| Base 13 | 468113 | 468b13 |
| Base 14 | 387914 | 388514 |
| Base 15 | 2e0715 | 2e1215 |
| Base 16 | 26b316 | 26bd16 |