Compare 640061 vs 640073
| Property | 640061 | 640073 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6400611 | 71 × 611 × 14991 |
| Prime factorization | 640061 | 7 × 61 × 1499 |
| Divisors count | 2 | 8 |
| Divisors | 1, 640061 | 1, 7, 61, 427, 1499, 10493, 91439, 640073 |
| Number of properties | 4 | 0 |
| Additive primes | 20355th | |
| Chen primes | 20380th | |
| Isolated primes | 40819th | |
| Primes | 52082nd | |
| Roman numberals | ||
| Base 2 | 100111000100001111012 | 100111000100010010012 |
| Base 3 | 10121112222223 | 10121120001023 |
| Base 4 | 21301003314 | 21301010214 |
| Base 5 | 1304402215 | 1304402435 |
| Base 6 | 214151256 | 214151456 |
| Base 7 | 53040327 | 53040507 |
| Base 8 | 23420758 | 23421118 |
| Base 9 | 11748889 | 11750129 |
| Base 10 | 64006110 | 64007310 |
| Base 11 | 3a798411 | 3a799511 |
| Base 12 | 26a4a512 | 26a4b512 |
| Base 13 | 19544613 | 19545513 |
| Base 14 | 12938914 | 12939714 |
| Base 15 | c99ab15 | c99b815 |
| Base 16 | 9c43d16 | 9c44916 |