Compare 640231 vs 640237
| Property | 640231 | 640237 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6402311 | 131 × 171 × 28971 |
| Prime factorization | 640231 | 13 × 17 × 2897 |
| Divisors count | 2 | 8 |
| Divisors | 1, 640231 | 1, 13, 17, 221, 2897, 37661, 49249, 640237 |
| Number of properties | 2 | 0 |
| Primes | 52096th | |
| Twin primes (2nd member) | 5634th | |
| Roman numberals | ||
| Base 2 | 100111000100111001112 | 100111000100111011012 |
| Base 3 | 10121120200213 | 10121120201113 |
| Base 4 | 21301032134 | 21301032314 |
| Base 5 | 1304414115 | 1304414225 |
| Base 6 | 214200116 | 214200216 |
| Base 7 | 53043647 | 53044037 |
| Base 8 | 23423478 | 23423558 |
| Base 9 | 11752079 | 11752149 |
| Base 10 | 64023110 | 64023710 |
| Base 11 | 3a801911 | 3a802411 |
| Base 12 | 26a60712 | 26a61112 |
| Base 13 | 19554713 | 19555013 |
| Base 14 | 12946b14 | 12947314 |
| Base 15 | c9a7115 | c9a7715 |
| Base 16 | 9c4e716 | 9c4ed16 |