Compare 639739 vs 640019
| Property | 639739 | 640019 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6397391 | 6400191 |
| Prime factorization | 639739 | 640019 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639739 | 1, 640019 |
| Number of properties | 4 | 4 |
| Additive primes | 20344th | |
| Chen primes | 20368th | 20379th |
| Isolated primes | 40801st | 40814th |
| Primes | 52060th | 52077th |
| Safe primes | 3016th | |
| Roman numberals | ||
| Base 2 | 100111000010111110112 | 100111000100000100112 |
| Base 3 | 10121111200013 | 10121112211023 |
| Base 4 | 21300233234 | 21301001034 |
| Base 5 | 1304324245 | 1304400345 |
| Base 6 | 214134316 | 214150156 |
| Base 7 | 53030627 | 53036427 |
| Base 8 | 23413738 | 23420238 |
| Base 9 | 11745019 | 11748429 |
| Base 10 | 63973910 | 64001910 |
| Base 11 | 3a771111 | 3a794611 |
| Base 12 | 26a27712 | 26a46b12 |
| Base 13 | 19525913 | 19541313 |
| Base 14 | 1291d914 | 12935914 |
| Base 15 | c984415 | c997e15 |
| Base 16 | 9c2fb16 | 9c41316 |