Compare 4989 vs 4990
| Property | 4989 | 4990 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 31 × 16631 | 21 × 51 × 4991 |
| Prime factorization | 3 × 1663 | 2 × 5 × 499 |
| Divisors count | 4 | 8 |
| Divisors | 1, 3, 1663, 4989 | 1, 2, 5, 10, 499, 998, 2495, 4990 |
| Number of properties | 1 | 0 |
| Semiprimes | 1364th | |
| Roman numberals | MMMMCMLXXXIX | MMMMCMXC |
| Base 2 | 10011011111012 | 10011011111102 |
| Base 3 | 202112103 | 202112113 |
| Base 4 | 10313314 | 10313324 |
| Base 5 | 1244245 | 1244305 |
| Base 6 | 350336 | 350346 |
| Base 7 | 203557 | 203567 |
| Base 8 | 115758 | 115768 |
| Base 9 | 67539 | 67549 |
| Base 10 | 498910 | 499010 |
| Base 11 | 382611 | 382711 |
| Base 12 | 2a7912 | 2a7a12 |
| Base 13 | 236a13 | 236b13 |
| Base 14 | 1b6514 | 1b6614 |
| Base 15 | 172915 | 172a15 |
| Base 16 | 137d16 | 137e16 |