Compare 639689 vs 639697
| Property | 639689 | 639697 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6396891 | 6396971 |
| Prime factorization | 639689 | 639697 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639689 | 1, 639697 |
| Number of properties | 4 | 5 |
| Additive primes | 20341st | |
| Chen primes | 20364th | |
| Cousin primes (1st member) | 5628th | |
| Isolated primes | 40796th | 40797th |
| Primes | 52053rd | 52054th |
| Prime triplets (1st member) | 2061st | |
| Sexy primes (1st member) | 11281st | |
| Roman numberals | ||
| Base 2 | 100111000010110010012 | 100111000010110100012 |
| Base 3 | 10121111110123 | 10121111111113 |
| Base 4 | 21300230214 | 21300231014 |
| Base 5 | 1304322245 | 1304322425 |
| Base 6 | 214133056 | 214133216 |
| Base 7 | 53026617 | 53030027 |
| Base 8 | 23413118 | 23413218 |
| Base 9 | 11744359 | 11744449 |
| Base 10 | 63968910 | 63969710 |
| Base 11 | 3a767611 | 3a768311 |
| Base 12 | 26a23512 | 26a24112 |
| Base 13 | 19521b13 | 19522613 |
| Base 14 | 1291a114 | 1291a914 |
| Base 15 | c980e15 | c981715 |
| Base 16 | 9c2c916 | 9c2d116 |