Compare 4989 vs 4991
| Property | 4989 | 4991 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 31 × 16631 | 71 × 231 × 311 |
| Prime factorization | 3 × 1663 | 7 × 23 × 31 |
| Divisors count | 4 | 8 |
| Divisors | 1, 3, 1663, 4989 | 1, 7, 23, 31, 161, 217, 713, 4991 |
| Number of properties | 1 | 0 |
| Semiprimes | 1364th | |
| Roman numberals | MMMMCMLXXXIX | MMMMCMXCI |
| Base 2 | 10011011111012 | 10011011111112 |
| Base 3 | 202112103 | 202112123 |
| Base 4 | 10313314 | 10313334 |
| Base 5 | 1244245 | 1244315 |
| Base 6 | 350336 | 350356 |
| Base 7 | 203557 | 203607 |
| Base 8 | 115758 | 115778 |
| Base 9 | 67539 | 67559 |
| Base 10 | 498910 | 499110 |
| Base 11 | 382611 | 382811 |
| Base 12 | 2a7912 | 2a7b12 |
| Base 13 | 236a13 | 236c13 |
| Base 14 | 1b6514 | 1b6714 |
| Base 15 | 172915 | 172b15 |
| Base 16 | 137d16 | 137f16 |