Compare 9877 vs 9887
| Property | 9877 | 9887 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 71 × 171 × 831 | 98871 |
| Prime factorization | 7 × 17 × 83 | 9887 |
| Divisors count | 8 | 2 |
| Divisors | 1, 7, 17, 83, 119, 581, 1411, 9877 | 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 | 100110100101012 | 100110100111112 |
| Base 3 | 1111122113 | 1111200123 |
| Base 4 | 21221114 | 21221334 |
| Base 5 | 3040025 | 3040225 |
| Base 6 | 1134216 | 1134356 |
| Base 7 | 405407 | 405537 |
| Base 8 | 232258 | 232378 |
| Base 9 | 144849 | 145059 |
| Base 10 | 987710 | 988710 |
| Base 11 | 746a11 | 747911 |
| Base 12 | 587112 | 587b12 |
| Base 13 | 465a13 | 466713 |
| Base 14 | 385714 | 386314 |
| Base 15 | 2dd715 | 2de215 |
| Base 16 | 269516 | 269f16 |