Compare 6639 vs 6644
| Property | 6639 | 6644 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 31 × 22131 | 22 × 111 × 1511 |
| Prime factorization | 3 × 2213 | 2 × 2 × 11 × 151 |
| Divisors count | 4 | 12 |
| Divisors | 1, 3, 2213, 6639 | 1, 2, 4, 11, 22, 44, 151, 302, 604, 1661, 3322, 6644 |
| Number of properties | 1 | 0 |
| Semiprimes | 1786th | |
| Roman numberals | ||
| Base 2 | 11001111011112 | 11001111101002 |
| Base 3 | 1000022203 | 1000100023 |
| Base 4 | 12132334 | 12133104 |
| Base 5 | 2030245 | 2030345 |
| Base 6 | 504236 | 504326 |
| Base 7 | 252337 | 252417 |
| Base 8 | 147578 | 147648 |
| Base 9 | 100869 | 101029 |
| Base 10 | 663910 | 664410 |
| Base 11 | 4a9611 | 4aa011 |
| Base 12 | 3a1312 | 3a1812 |
| Base 13 | 303913 | 304113 |
| Base 14 | 25c314 | 25c814 |
| Base 15 | 1e7915 | 1e7e15 |
| Base 16 | 19ef16 | 19f416 |