Compare 640061 vs 640062
| Property | 640061 | 640062 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 8 |
| Prime factorization | 6400611 | 21 × 36 × 4391 |
| Prime factorization | 640061 | 2 × 3 × 3 × 3 × 3 × 3 × 3 × 439 |
| Divisors count | 2 | 28 |
| Divisors | 1, 640061 | 1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 439, 486, 729, 878, 1317, 1458, 2634, 3951, 7902, 11853, 23706, 35559, 71118, 106677, 213354, 320031, 640062 |
| Number of properties | 4 | 0 |
| Additive primes | 20355th | |
| Chen primes | 20380th | |
| Isolated primes | 40819th | |
| Primes | 52082nd | |
| Roman numberals | ||
| Base 2 | 100111000100001111012 | 100111000100001111102 |
| Base 3 | 10121112222223 | 10121120000003 |
| Base 4 | 21301003314 | 21301003324 |
| Base 5 | 1304402215 | 1304402225 |
| Base 6 | 214151256 | 214151306 |
| Base 7 | 53040327 | 53040337 |
| Base 8 | 23420758 | 23420768 |
| Base 9 | 11748889 | 11750009 |
| Base 10 | 64006110 | 64006210 |
| Base 11 | 3a798411 | 3a798511 |
| Base 12 | 26a4a512 | 26a4a612 |
| Base 13 | 19544613 | 19544713 |
| Base 14 | 12938914 | 12938a14 |
| Base 15 | c99ab15 | c99ac15 |
| Base 16 | 9c43d16 | 9c43e16 |