Compare 640529 vs 640901
| Property | 640529 | 640901 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6405291 | 6409011 |
| Prime factorization | 640529 | 640901 |
| Divisors count | 2 | 2 |
| Divisors | 1, 640529 | 1, 640901 |
| Number of properties | 3 | 5 |
| Chen primes | 20393rd | 20403rd |
| Isolated primes | 40866th | |
| Primes | 52115th | 52141st |
| Sexy primes (1st member) | 11298th | |
| Sophie germain primes | 5313th | |
| Twin primes (1st member) | 5637th | |
| Roman numberals | ||
| Base 2 | 100111000110000100012 | 100111000111100001012 |
| Base 3 | 10121121220223 | 10121200110023 |
| Base 4 | 21301201014 | 21301320114 |
| Base 5 | 1304441045 | 1310021015 |
| Base 6 | 214212256 | 214230456 |
| Base 7 | 53053017 | 53063427 |
| Base 8 | 23430218 | 23436058 |
| Base 9 | 11755689 | 11761329 |
| Base 10 | 64052910 | 64090110 |
| Base 11 | 3a826a11 | 3a857811 |
| Base 12 | 26a81512 | 26aa8512 |
| Base 13 | 19571613 | 19594113 |
| Base 14 | 12960114 | 1297c914 |
| Base 15 | c9bbe15 | c9d6b15 |
| Base 16 | 9c61116 | 9c78516 |