Compare 6639 vs 6642
| Property | 6639 | 6642 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 6 |
| Prime factorization | 31 × 22131 | 21 × 34 × 411 |
| Prime factorization | 3 × 2213 | 2 × 3 × 3 × 3 × 3 × 41 |
| Divisors count | 4 | 20 |
| Divisors | 1, 3, 2213, 6639 | 1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 246, 369, 738, 1107, 2214, 3321, 6642 |
| Number of properties | 1 | 0 |
| Semiprimes | 1786th | |
| Roman numberals | ||
| Base 2 | 11001111011112 | 11001111100102 |
| Base 3 | 1000022203 | 1000100003 |
| Base 4 | 12132334 | 12133024 |
| Base 5 | 2030245 | 2030325 |
| Base 6 | 504236 | 504306 |
| Base 7 | 252337 | 252367 |
| Base 8 | 147578 | 147628 |
| Base 9 | 100869 | 101009 |
| Base 10 | 663910 | 664210 |
| Base 11 | 4a9611 | 4a9911 |
| Base 12 | 3a1312 | 3a1612 |
| Base 13 | 303913 | 303c13 |
| Base 14 | 25c314 | 25c614 |
| Base 15 | 1e7915 | 1e7c15 |
| Base 16 | 19ef16 | 19f216 |