Compare 640051 vs 640061
| Property | 640051 | 640061 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 411 × 671 × 2331 | 6400611 |
| Prime factorization | 41 × 67 × 233 | 640061 |
| Divisors count | 8 | 2 |
| Divisors | 1, 41, 67, 233, 2747, 9553, 15611, 640051 | 1, 640061 |
| Number of properties | 0 | 4 |
| Additive primes | 20355th | |
| Chen primes | 20380th | |
| Isolated primes | 40819th | |
| Primes | 52082nd | |
| Roman numberals | ||
| Base 2 | 100111000100001100112 | 100111000100001111012 |
| Base 3 | 10121112221213 | 10121112222223 |
| Base 4 | 21301003034 | 21301003314 |
| Base 5 | 1304402015 | 1304402215 |
| Base 6 | 214151116 | 214151256 |
| Base 7 | 53040167 | 53040327 |
| Base 8 | 23420638 | 23420758 |
| Base 9 | 11748779 | 11748889 |
| Base 10 | 64005110 | 64006110 |
| Base 11 | 3a797511 | 3a798411 |
| Base 12 | 26a49712 | 26a4a512 |
| Base 13 | 19543913 | 19544613 |
| Base 14 | 12937d14 | 12938914 |
| Base 15 | c99a115 | c99ab15 |
| Base 16 | 9c43316 | 9c43d16 |