Compare 639833 vs 640631
| Property | 639833 | 640631 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6398331 | 6406311 |
| Prime factorization | 639833 | 640631 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639833 | 1, 640631 |
| Number of properties | 5 | 3 |
| Happy primes | 7409th | |
| Isolated primes | 40803rd | 40849th |
| Primes | 52062nd | 52122nd |
| Sexy primes (1st member) | 11283rd | |
| Sophie germain primes | 5303rd | 5310th |
| Roman numberals | ||
| Base 2 | 100111000011010110012 | 100111000110011101112 |
| Base 3 | 10121112001123 | 10121122100023 |
| Base 4 | 21300311214 | 21301213134 |
| Base 5 | 1304333135 | 1310000115 |
| Base 6 | 214141056 | 214215156 |
| Base 7 | 53032557 | 53055057 |
| Base 8 | 23415318 | 23431678 |
| Base 9 | 11746159 | 11757029 |
| Base 10 | 63983310 | 64063110 |
| Base 11 | 3a779711 | 3a835211 |
| Base 12 | 26a33512 | 26a89b12 |
| Base 13 | 1952cc13 | 19579413 |
| Base 14 | 12926514 | 12967514 |
| Base 15 | c98a815 | c9c3b15 |
| Base 16 | 9c35916 | 9c67716 |