Compare 2980 vs 2991
| Property | 2980 | 2991 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 22 × 51 × 1491 | 31 × 9971 |
| Prime factorization | 2 × 2 × 5 × 149 | 3 × 997 |
| Divisors count | 12 | 4 |
| Divisors | 1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980 | 1, 3, 997, 2991 |
| Number of properties | 0 | 1 |
| Semiprimes | 838th | |
| Roman numberals | MMCMLXXX | MMCMXCI |
| Base 2 | 1011101001002 | 1011101011112 |
| Base 3 | 110021013 | 110022103 |
| Base 4 | 2322104 | 2322334 |
| Base 5 | 434105 | 434315 |
| Base 6 | 214446 | 215036 |
| Base 7 | 114557 | 115027 |
| Base 8 | 56448 | 56578 |
| Base 9 | 40719 | 40839 |
| Base 10 | 298010 | 299110 |
| Base 11 | 226a11 | 227a11 |
| Base 12 | 188412 | 189312 |
| Base 13 | 148313 | 149113 |
| Base 14 | 112c14 | 113914 |
| Base 15 | d3a15 | d4615 |
| Base 16 | ba416 | baf16 |