Compare 9897 vs 9907
| Property | 9897 | 9907 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 32991 | 99071 |
| Prime factorization | 3 × 3299 | 9907 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 3299, 9897 | 1, 9907 |
| Number of properties | 1 | 4 |
| Harmonic primes | 445th | |
| Isolated primes | 815th | |
| Primes | 1222nd | |
| Semiprimes | 2592nd | |
| Sexy primes (2nd member) | 409th | |
| Roman numberals | ||
| Base 2 | 100110101010012 | 100110101100112 |
| Base 3 | 1111201203 | 1111202213 |
| Base 4 | 21222214 | 21223034 |
| Base 5 | 3040425 | 3041125 |
| Base 6 | 1134536 | 1135116 |
| Base 7 | 405667 | 406127 |
| Base 8 | 232518 | 232638 |
| Base 9 | 145169 | 145279 |
| Base 10 | 989710 | 990710 |
| Base 11 | 748811 | 749711 |
| Base 12 | 588912 | 589712 |
| Base 13 | 467413 | 468113 |
| Base 14 | 386d14 | 387914 |
| Base 15 | 2dec15 | 2e0715 |
| Base 16 | 26a916 | 26b316 |