Compare 640058 vs 640061
| Property | 640058 | 640061 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 21 × 791 × 40511 | 6400611 |
| Prime factorization | 2 × 79 × 4051 | 640061 |
| Divisors count | 8 | 2 |
| Divisors | 1, 2, 79, 158, 4051, 8102, 320029, 640058 | 1, 640061 |
| Number of properties | 0 | 4 |
| Additive primes | 20355th | |
| Chen primes | 20380th | |
| Isolated primes | 40819th | |
| Primes | 52082nd | |
| Roman numberals | ||
| Base 2 | 100111000100001110102 | 100111000100001111012 |
| Base 3 | 10121112222123 | 10121112222223 |
| Base 4 | 21301003224 | 21301003314 |
| Base 5 | 1304402135 | 1304402215 |
| Base 6 | 214151226 | 214151256 |
| Base 7 | 53040267 | 53040327 |
| Base 8 | 23420728 | 23420758 |
| Base 9 | 11748859 | 11748889 |
| Base 10 | 64005810 | 64006110 |
| Base 11 | 3a798111 | 3a798411 |
| Base 12 | 26a4a212 | 26a4a512 |
| Base 13 | 19544313 | 19544613 |
| Base 14 | 12938614 | 12938914 |
| Base 15 | c99a815 | c99ab15 |
| Base 16 | 9c43a16 | 9c43d16 |