Compare 640631 vs 640633
| Property | 640631 | 640633 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6406311 | 71 × 711 × 12891 |
| Prime factorization | 640631 | 7 × 71 × 1289 |
| Divisors count | 2 | 8 |
| Divisors | 1, 640631 | 1, 7, 71, 497, 1289, 9023, 91519, 640633 |
| Number of properties | 3 | 0 |
| Isolated primes | 40849th | |
| Primes | 52122nd | |
| Sophie germain primes | 5310th | |
| Roman numberals | ||
| Base 2 | 100111000110011101112 | 100111000110011110012 |
| Base 3 | 10121122100023 | 10121122100113 |
| Base 4 | 21301213134 | 21301213214 |
| Base 5 | 1310000115 | 1310000135 |
| Base 6 | 214215156 | 214215216 |
| Base 7 | 53055057 | 53055107 |
| Base 8 | 23431678 | 23431718 |
| Base 9 | 11757029 | 11757049 |
| Base 10 | 64063110 | 64063310 |
| Base 11 | 3a835211 | 3a835411 |
| Base 12 | 26a89b12 | 26a8a112 |
| Base 13 | 19579413 | 19579613 |
| Base 14 | 12967514 | 12967714 |
| Base 15 | c9c3b15 | c9c3d15 |
| Base 16 | 9c67716 | 9c67916 |