Compare 9902 vs 9907
| Property | 9902 | 9907 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 49511 | 99071 |
| Prime factorization | 2 × 4951 | 9907 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 4951, 9902 | 1, 9907 |
| Number of properties | 1 | 4 |
| Harmonic primes | 445th | |
| Isolated primes | 815th | |
| Primes | 1222nd | |
| Semiprimes | 2594th | |
| Sexy primes (2nd member) | 409th | |
| Roman numberals | ||
| Base 2 | 100110101011102 | 100110101100112 |
| Base 3 | 1111202023 | 1111202213 |
| Base 4 | 21222324 | 21223034 |
| Base 5 | 3041025 | 3041125 |
| Base 6 | 1135026 | 1135116 |
| Base 7 | 406047 | 406127 |
| Base 8 | 232568 | 232638 |
| Base 9 | 145229 | 145279 |
| Base 10 | 990210 | 990710 |
| Base 11 | 749211 | 749711 |
| Base 12 | 589212 | 589712 |
| Base 13 | 467913 | 468113 |
| Base 14 | 387414 | 387914 |
| Base 15 | 2e0215 | 2e0715 |
| Base 16 | 26ae16 | 26b316 |