Compare 640231 vs 640249
| Property | 640231 | 640249 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6402311 | 6402491 |
| Prime factorization | 640231 | 640249 |
| Divisors count | 2 | 2 |
| Divisors | 1, 640231 | 1, 640249 |
| Number of properties | 2 | 3 |
| Primes | 52096th | 52098th |
| Twin primes (2nd member) | 5634th | 5635th |
| Ulam primes | 3819th | |
| Roman numberals | ||
| Base 2 | 100111000100111001112 | 100111000100111110012 |
| Base 3 | 10121120200213 | 10121120202213 |
| Base 4 | 21301032134 | 21301033214 |
| Base 5 | 1304414115 | 1304414445 |
| Base 6 | 214200116 | 214200416 |
| Base 7 | 53043647 | 53044217 |
| Base 8 | 23423478 | 23423718 |
| Base 9 | 11752079 | 11752279 |
| Base 10 | 64023110 | 64024910 |
| Base 11 | 3a801911 | 3a803511 |
| Base 12 | 26a60712 | 26a62112 |
| Base 13 | 19554713 | 19555c13 |
| Base 14 | 12946b14 | 12948114 |
| Base 15 | c9a7115 | c9a8415 |
| Base 16 | 9c4e716 | 9c4f916 |