Compare 9871 vs 9880
| Property | 9871 | 9880 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 4 |
| Total factors | 1 | 6 |
| Prime factorization | 98711 | 23 × 51 × 131 × 191 |
| Prime factorization | 9871 | 2 × 2 × 2 × 5 × 13 × 19 |
| Divisors count | 2 | 32 |
| Divisors | 1, 9871 | 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 |
| Number of properties | 4 | 0 |
| Emirps | 235th | |
| Harmonic primes | 442nd | |
| Isolated primes | 811th | |
| Primes | 1218th | |
| Roman numberals | ||
| Base 2 | 100110100011112 | 100110100110002 |
| Base 3 | 1111121213 | 1111122213 |
| Base 4 | 21220334 | 21221204 |
| Base 5 | 3034415 | 3040105 |
| Base 6 | 1134116 | 1134246 |
| Base 7 | 405317 | 405437 |
| Base 8 | 232178 | 232308 |
| Base 9 | 144779 | 144879 |
| Base 10 | 987110 | 988010 |
| Base 11 | 746411 | 747211 |
| Base 12 | 586712 | 587412 |
| Base 13 | 465413 | 466013 |
| Base 14 | 385114 | 385a14 |
| Base 15 | 2dd115 | 2dda15 |
| Base 16 | 268f16 | 269816 |