Compare 639697 vs 645493
| Property | 639697 | 645493 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6396971 | 6454931 |
| Prime factorization | 639697 | 645493 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639697 | 1, 645493 |
| Number of properties | 5 | 6 |
| Additive primes | 20516th | |
| Cousin primes (1st member) | 5628th | 5667th |
| Isolated primes | 40797th | 41139th |
| Primes | 52054th | 52480th |
| Prime triplets (1st member) | 2061st | 2071st |
| Sexy primes (1st member) | 11281st | 11365th |
| Roman numberals | ||
| Base 2 | 100111000010110100012 | 100111011001011101012 |
| Base 3 | 10121111111113 | 10122101100113 |
| Base 4 | 21300231014 | 21312113114 |
| Base 5 | 1304322425 | 1311234335 |
| Base 6 | 214133216 | 215002216 |
| Base 7 | 53030027 | 53256227 |
| Base 8 | 23413218 | 23545658 |
| Base 9 | 11744449 | 11834049 |
| Base 10 | 63969710 | 64549310 |
| Base 11 | 3a768311 | 400a7211 |
| Base 12 | 26a24112 | 27167112 |
| Base 13 | 19522613 | 197a6413 |
| Base 14 | 1291a914 | 12b34914 |
| Base 15 | c981715 | cb3cd15 |
| Base 16 | 9c2d116 | 9d97516 |