Compare 6642 vs 6649
| Property | 6642 | 6649 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 6 | 2 |
| Prime factorization | 21 × 34 × 411 | 611 × 1091 |
| Prime factorization | 2 × 3 × 3 × 3 × 3 × 41 | 61 × 109 |
| Divisors count | 20 | 4 |
| Divisors | 1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 246, 369, 738, 1107, 2214, 3321, 6642 | 1, 61, 109, 6649 |
| Number of properties | 0 | 1 |
| Semiprimes | 1789th | |
| Roman numberals | ||
| Base 2 | 11001111100102 | 11001111110012 |
| Base 3 | 1000100003 | 1000100213 |
| Base 4 | 12133024 | 12133214 |
| Base 5 | 2030325 | 2030445 |
| Base 6 | 504306 | 504416 |
| Base 7 | 252367 | 252467 |
| Base 8 | 147628 | 147718 |
| Base 9 | 101009 | 101079 |
| Base 10 | 664210 | 664910 |
| Base 11 | 4a9911 | 4aa511 |
| Base 12 | 3a1612 | 3a2112 |
| Base 13 | 303c13 | 304613 |
| Base 14 | 25c614 | 25cd14 |
| Base 15 | 1e7c15 | 1e8415 |
| Base 16 | 19f216 | 19f916 |