Compare 9887 vs 9899
| Property | 9887 | 9899 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 98871 | 191 × 5211 |
| Prime factorization | 9887 | 19 × 521 |
| Divisors count | 2 | 4 |
| Divisors | 1, 9887 | 1, 19, 521, 9899 |
| 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 | 2593rd | |
| Roman numberals | ||
| Base 2 | 100110100111112 | 100110101010112 |
| Base 3 | 1111200123 | 1111201223 |
| Base 4 | 21221334 | 21222234 |
| Base 5 | 3040225 | 3040445 |
| Base 6 | 1134356 | 1134556 |
| Base 7 | 405537 | 406017 |
| Base 8 | 232378 | 232538 |
| Base 9 | 145059 | 145189 |
| Base 10 | 988710 | 989910 |
| Base 11 | 747911 | 748a11 |
| Base 12 | 587b12 | 588b12 |
| Base 13 | 466713 | 467613 |
| Base 14 | 386314 | 387114 |
| Base 15 | 2de215 | 2dee15 |
| Base 16 | 269f16 | 26ab16 |