Compare 639739 vs 639745
| Property | 639739 | 639745 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6397391 | 51 × 231 × 55631 |
| Prime factorization | 639739 | 5 × 23 × 5563 |
| Divisors count | 2 | 8 |
| Divisors | 1, 639739 | 1, 5, 23, 115, 5563, 27815, 127949, 639745 |
| Number of properties | 4 | 0 |
| Additive primes | 20344th | |
| Chen primes | 20368th | |
| Isolated primes | 40801st | |
| Primes | 52060th | |
| Roman numberals | ||
| Base 2 | 100111000010111110112 | 100111000011000000012 |
| Base 3 | 10121111200013 | 10121111200213 |
| Base 4 | 21300233234 | 21300300014 |
| Base 5 | 1304324245 | 1304324405 |
| Base 6 | 214134316 | 214134416 |
| Base 7 | 53030627 | 53031017 |
| Base 8 | 23413738 | 23414018 |
| Base 9 | 11745019 | 11745079 |
| Base 10 | 63973910 | 63974510 |
| Base 11 | 3a771111 | 3a771711 |
| Base 12 | 26a27712 | 26a28112 |
| Base 13 | 19525913 | 19526213 |
| Base 14 | 1291d914 | 12920114 |
| Base 15 | c984415 | c984a15 |
| Base 16 | 9c2fb16 | 9c30116 |