Compare 640613 vs 640631
| Property | 640613 | 640631 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6406131 | 6406311 |
| Prime factorization | 640613 | 640631 |
| Divisors count | 2 | 2 |
| Divisors | 1, 640613 | 1, 640631 |
| Number of properties | 2 | 3 |
| Isolated primes | 40847th | 40849th |
| Primes | 52120th | 52122nd |
| Sophie germain primes | 5310th | |
| Roman numberals | ||
| Base 2 | 100111000110011001012 | 100111000110011101112 |
| Base 3 | 10121122021023 | 10121122100023 |
| Base 4 | 21301212114 | 21301213134 |
| Base 5 | 1304444235 | 1310000115 |
| Base 6 | 214214456 | 214215156 |
| Base 7 | 53054517 | 53055057 |
| Base 8 | 23431458 | 23431678 |
| Base 9 | 11756729 | 11757029 |
| Base 10 | 64061310 | 64063110 |
| Base 11 | 3a833611 | 3a835211 |
| Base 12 | 26a88512 | 26a89b12 |
| Base 13 | 19577c13 | 19579413 |
| Base 14 | 12966114 | 12967514 |
| Base 15 | c9c2815 | c9c3b15 |
| Base 16 | 9c66516 | 9c67716 |