Compare 77981 vs 77990
| Property | 77981 | 77990 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 4 |
| Total factors | 2 | 4 |
| Prime factorization | 291 × 26891 | 21 × 51 × 111 × 7091 |
| Prime factorization | 29 × 2689 | 2 × 5 × 11 × 709 |
| Divisors count | 4 | 16 |
| Divisors | 1, 29, 2689, 77981 | 1, 2, 5, 10, 11, 22, 55, 110, 709, 1418, 3545, 7090, 7799, 15598, 38995, 77990 |
| Number of properties | 1 | 0 |
| Semiprimes | 18464th | |
| Roman numberals | ||
| Base 2 | 100110000100111012 | 100110000101001102 |
| Base 3 | 102212220123 | 102212221123 |
| Base 4 | 1030021314 | 1030022124 |
| Base 5 | 44434115 | 44434305 |
| Base 6 | 14010056 | 14010226 |
| Base 7 | 4432317 | 4432437 |
| Base 8 | 2302358 | 2302468 |
| Base 9 | 1278659 | 1278759 |
| Base 10 | 7798110 | 7799010 |
| Base 11 | 5365211 | 5366011 |
| Base 12 | 3916512 | 3917212 |
| Base 13 | 2965713 | 2966313 |
| Base 14 | 205c114 | 205ca14 |
| Base 15 | 1818b15 | 1819515 |
| Base 16 | 1309d16 | 130a616 |