Compare 9880 vs 9887
| Property | 9880 | 9887 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 6 | 1 |
| Prime factorization | 23 × 51 × 131 × 191 | 98871 |
| Prime factorization | 2 × 2 × 2 × 5 × 13 × 19 | 9887 |
| Divisors count | 32 | 2 |
| Divisors | 1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880 | 1, 9887 |
| Number of properties | 0 | 6 |
| Cousin primes (2nd member) | 203rd | |
| Harmonic primes | 444th | |
| Isolated primes | 813th | |
| Long primes | 464th | |
| Primes | 1220th | |
| Safe primes | 115th | |
| Roman numberals | ||
| Base 2 | 100110100110002 | 100110100111112 |
| Base 3 | 1111122213 | 1111200123 |
| Base 4 | 21221204 | 21221334 |
| Base 5 | 3040105 | 3040225 |
| Base 6 | 1134246 | 1134356 |
| Base 7 | 405437 | 405537 |
| Base 8 | 232308 | 232378 |
| Base 9 | 144879 | 145059 |
| Base 10 | 988010 | 988710 |
| Base 11 | 747211 | 747911 |
| Base 12 | 587412 | 587b12 |
| Base 13 | 466013 | 466713 |
| Base 14 | 385a14 | 386314 |
| Base 15 | 2dda15 | 2de215 |
| Base 16 | 269816 | 269f16 |