Compare 640733 vs 640745
| Property | 640733 | 640745 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6407331 | 51 × 71 × 183071 |
| Prime factorization | 640733 | 5 × 7 × 18307 |
| Divisors count | 2 | 8 |
| Divisors | 1, 640733 | 1, 5, 7, 35, 18307, 91535, 128149, 640745 |
| Number of properties | 5 | 0 |
| Additive primes | 20374th | |
| Chen primes | 20399th | |
| Isolated primes | 40855th | |
| Primes | 52130th | |
| Sexy primes (2nd member) | 11294th | |
| Roman numberals | ||
| Base 2 | 100111000110110111012 | 100111000110111010012 |
| Base 3 | 10121122202123 | 10121122210223 |
| Base 4 | 21301231314 | 21301232214 |
| Base 5 | 1310004135 | 1310004405 |
| Base 6 | 214222056 | 214222256 |
| Base 7 | 53060127 | 53060307 |
| Base 8 | 23433358 | 23433518 |
| Base 9 | 11758259 | 11758389 |
| Base 10 | 64073310 | 64074510 |
| Base 11 | 3a843511 | 3a844611 |
| Base 12 | 26a96512 | 26a97512 |
| Base 13 | 19584213 | 19585113 |
| Base 14 | 12970914 | 12971714 |
| Base 15 | c9ca815 | c9cb515 |
| Base 16 | 9c6dd16 | 9c6e916 |