Compare 9887 vs 9897
| Property | 9887 | 9897 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 98871 | 31 × 32991 |
| Prime factorization | 9887 | 3 × 3299 |
| Divisors count | 2 | 4 |
| Divisors | 1, 9887 | 1, 3, 3299, 9897 |
| Number of properties | 6 | 1 |
| Cousin primes (2nd member) | 203rd | |
| Harmonic primes | 444th | |
| Isolated primes | 813th | |
| Long primes | 464th | |
| Primes | 1220th | |
| Safe primes | 115th | |
| Semiprimes | 2592nd | |
| Roman numberals | ||
| Base 2 | 100110100111112 | 100110101010012 |
| Base 3 | 1111200123 | 1111201203 |
| Base 4 | 21221334 | 21222214 |
| Base 5 | 3040225 | 3040425 |
| Base 6 | 1134356 | 1134536 |
| Base 7 | 405537 | 405667 |
| Base 8 | 232378 | 232518 |
| Base 9 | 145059 | 145169 |
| Base 10 | 988710 | 989710 |
| Base 11 | 747911 | 748811 |
| Base 12 | 587b12 | 588912 |
| Base 13 | 466713 | 467413 |
| Base 14 | 386314 | 386d14 |
| Base 15 | 2de215 | 2dec15 |
| Base 16 | 269f16 | 26a916 |