Compare 2190 vs 2191
| Property | 2190 | 2191 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 4 | 2 |
| Total factors | 4 | 2 |
| Prime factorization | 21 × 31 × 51 × 731 | 71 × 3131 |
| Prime factorization | 2 × 3 × 5 × 73 | 7 × 313 |
| Divisors count | 16 | 4 |
| Divisors | 1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190 | 1, 7, 313, 2191 |
| Number of properties | 0 | 1 |
| Semiprimes | 628th | |
| Roman numberals | MMCXC | MMCXCI |
| Base 2 | 1000100011102 | 1000100011112 |
| Base 3 | 100000103 | 100000113 |
| Base 4 | 2020324 | 2020334 |
| Base 5 | 322305 | 322315 |
| Base 6 | 140506 | 140516 |
| Base 7 | 62467 | 62507 |
| Base 8 | 42168 | 42178 |
| Base 9 | 30039 | 30049 |
| Base 10 | 219010 | 219110 |
| Base 11 | 171111 | 171211 |
| Base 12 | 132612 | 132712 |
| Base 13 | cc613 | cc713 |
| Base 14 | b2614 | b2714 |
| Base 15 | 9b015 | 9b115 |
| Base 16 | 88e16 | 88f16 |