Compare 6640 vs 6641
| Property | 6640 | 6641 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 6 | 2 |
| Prime factorization | 24 × 51 × 831 | 291 × 2291 |
| Prime factorization | 2 × 2 × 2 × 2 × 5 × 83 | 29 × 229 |
| Divisors count | 20 | 4 |
| Divisors | 1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640 | 1, 29, 229, 6641 |
| Number of properties | 0 | 1 |
| Semiprimes | 1787th | |
| Roman numberals | ||
| Base 2 | 11001111100002 | 11001111100012 |
| Base 3 | 1000022213 | 1000022223 |
| Base 4 | 12133004 | 12133014 |
| Base 5 | 2030305 | 2030315 |
| Base 6 | 504246 | 504256 |
| Base 7 | 252347 | 252357 |
| Base 8 | 147608 | 147618 |
| Base 9 | 100879 | 100889 |
| Base 10 | 664010 | 664110 |
| Base 11 | 4a9711 | 4a9811 |
| Base 12 | 3a1412 | 3a1512 |
| Base 13 | 303a13 | 303b13 |
| Base 14 | 25c414 | 25c514 |
| Base 15 | 1e7a15 | 1e7b15 |
| Base 16 | 19f016 | 19f116 |