Compare 2989 vs 2991
| Property | 2989 | 2991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 72 × 611 | 31 × 9971 |
| Prime factorization | 7 × 7 × 61 | 3 × 997 |
| Divisors count | 6 | 4 |
| Divisors | 1, 7, 49, 61, 427, 2989 | 1, 3, 997, 2991 |
| Number of properties | 0 | 1 |
| Semiprimes | 838th | |
| Roman numberals | MMCMLXXXIX | MMCMXCI |
| Base 2 | 1011101011012 | 1011101011112 |
| Base 3 | 110022013 | 110022103 |
| Base 4 | 2322314 | 2322334 |
| Base 5 | 434245 | 434315 |
| Base 6 | 215016 | 215036 |
| Base 7 | 115007 | 115027 |
| Base 8 | 56558 | 56578 |
| Base 9 | 40819 | 40839 |
| Base 10 | 298910 | 299110 |
| Base 11 | 227811 | 227a11 |
| Base 12 | 189112 | 189312 |
| Base 13 | 148c13 | 149113 |
| Base 14 | 113714 | 113914 |
| Base 15 | d4415 | d4615 |
| Base 16 | bad16 | baf16 |