Compare 639253 vs 640663
| Property | 639253 | 640663 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6392531 | 6406631 |
| Prime factorization | 639253 | 640663 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639253 | 1, 640663 |
| Number of properties | 7 | 6 |
| Cousin primes (1st member) | 5624th | 5636th |
| Good primes | 1979th | |
| Happy primes | 7419th | |
| Isolated primes | 40769th | 40851st |
| Lucky primes | 5971st | |
| Primes | 52018th | 52124th |
| Prime triplets (1st member) | 2058th | 2063rd |
| Sexy primes (1st member) | 11272nd | 11293rd |
| Roman numberals | ||
| Base 2 | 100111000001000101012 | 100111000110100101112 |
| Base 3 | 10121102200013 | 10121122110213 |
| Base 4 | 21300101114 | 21301221134 |
| Base 5 | 1304240035 | 1310001235 |
| Base 6 | 214113016 | 214220116 |
| Base 7 | 53014667 | 53055527 |
| Base 8 | 23404258 | 23432278 |
| Base 9 | 11738019 | 11757379 |
| Base 10 | 63925310 | 64066310 |
| Base 11 | 3a730a11 | 3a838111 |
| Base 12 | 269b3112 | 26a90712 |
| Base 13 | 194c7413 | 1957ba13 |
| Base 14 | 128d6d14 | 12969914 |
| Base 15 | c961d15 | c9c5d15 |
| Base 16 | 9c11516 | 9c69716 |