Compare 645008 vs 645013
| Property | 645008 | 645013 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 4 | 1 |
| Total factors | 7 | 1 |
| Prime factorization | 24 × 71 × 131 × 4431 | 6450131 |
| Prime factorization | 2 × 2 × 2 × 2 × 7 × 13 × 443 | 645013 |
| Divisors count | 40 | 2 |
| Divisors | 1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 443, 728, 886, 1456, 1772, 3101, 3544, 5759, 6202, 7088, 11518, 12404, 23036, 24808, 40313, 46072, 49616, 80626, 92144, 161252, 322504, 645008 | 1, 645013 |
| Number of properties | 0 | 4 |
| Additive primes | 20503rd | |
| Primes | 52448th | |
| Sexy primes (1st member) | 11360th | |
| Twin primes (2nd member) | 5670th | |
| Roman numberals | ||
| Base 2 | 100111010111100100002 | 100111010111100101012 |
| Base 3 | 10122022100123 | 10122022101013 |
| Base 4 | 21311321004 | 21311321114 |
| Base 5 | 1311200135 | 1311200235 |
| Base 6 | 214540526 | 214541016 |
| Base 7 | 53243307 | 53243357 |
| Base 8 | 23536208 | 23536258 |
| Base 9 | 11827059 | 11827119 |
| Base 10 | 64500810 | 64501310 |
| Base 11 | 40067111 | 40067611 |
| Base 12 | 27132812 | 27133112 |
| Base 13 | 19778013 | 19778513 |
| Base 14 | 12b0c014 | 12b0c514 |
| Base 15 | cb1a815 | cb1ad15 |
| Base 16 | 9d79016 | 9d79516 |