Compare 640223 vs 640477
| Property | 640223 | 640477 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6402231 | 6404771 |
| Prime factorization | 640223 | 640477 |
| Divisors count | 2 | 2 |
| Divisors | 1, 640223 | 1, 640477 |
| Number of properties | 5 | 3 |
| Additive primes | 20360th | |
| Cousin primes (2nd member) | 5633rd | |
| Isolated primes | 40829th | 40841st |
| Primes | 52094th | 52112th |
| Sexy primes (1st member) | 11287th | 11291st |
| Roman numberals | ||
| Base 2 | 100111000100110111112 | 100111000101110111012 |
| Base 3 | 10121120122223 | 10121121201013 |
| Base 4 | 21301031334 | 21301131314 |
| Base 5 | 1304413435 | 1304434025 |
| Base 6 | 214155556 | 214211016 |
| Base 7 | 53043537 | 53051657 |
| Base 8 | 23423378 | 23427358 |
| Base 9 | 11751889 | 11755119 |
| Base 10 | 64022310 | 64047710 |
| Base 11 | 3a801111 | 3a822211 |
| Base 12 | 26a5bb12 | 26a79112 |
| Base 13 | 19553c13 | 1956a613 |
| Base 14 | 12946314 | 1295a514 |
| Base 15 | c9a6815 | c9b8715 |
| Base 16 | 9c4df16 | 9c5dd16 |