Compare 640529 vs 640540
| Property | 640529 | 640540 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 4 |
| Prime factorization | 6405291 | 22 × 51 × 320271 |
| Prime factorization | 640529 | 2 × 2 × 5 × 32027 |
| Divisors count | 2 | 12 |
| Divisors | 1, 640529 | 1, 2, 4, 5, 10, 20, 32027, 64054, 128108, 160135, 320270, 640540 |
| Number of properties | 3 | 0 |
| Chen primes | 20393rd | |
| Primes | 52115th | |
| Twin primes (1st member) | 5637th | |
| Roman numberals | ||
| Base 2 | 100111000110000100012 | 100111000110000111002 |
| Base 3 | 10121121220223 | 10121121222013 |
| Base 4 | 21301201014 | 21301201304 |
| Base 5 | 1304441045 | 1304441305 |
| Base 6 | 214212256 | 214212446 |
| Base 7 | 53053017 | 53053157 |
| Base 8 | 23430218 | 23430348 |
| Base 9 | 11755689 | 11755819 |
| Base 10 | 64052910 | 64054010 |
| Base 11 | 3a826a11 | 3a827a11 |
| Base 12 | 26a81512 | 26a82412 |
| Base 13 | 19571613 | 19572413 |
| Base 14 | 12960114 | 12960c14 |
| Base 15 | c9bbe15 | c9bca15 |
| Base 16 | 9c61116 | 9c61c16 |