Compare 664739 vs 664745
| Property | 664739 | 664745 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 6647391 | 51 × 1329491 |
| Prime factorization | 664739 | 5 × 132949 |
| Divisors count | 2 | 4 |
| Divisors | 1, 664739 | 1, 5, 132949, 664745 |
| Number of properties | 3 | 1 |
| Isolated primes | 42284th | |
| Primes | 53929th | |
| Semiprimes | 142202nd | |
| Sophie germain primes | 5485th | |
| Roman numberals | ||
| Base 2 | 101000100100101000112 | 101000100100101010012 |
| Base 3 | 10202022112223 | 10202022120123 |
| Base 4 | 22021022034 | 22021022214 |
| Base 5 | 1322324245 | 1322324405 |
| Base 6 | 221252556 | 221253056 |
| Base 7 | 54360057 | 54360147 |
| Base 8 | 24222438 | 24222518 |
| Base 9 | 12227589 | 12227659 |
| Base 10 | 66473910 | 66474510 |
| Base 11 | 41447911 | 41448411 |
| Base 12 | 28082b12 | 28083512 |
| Base 13 | 1a374a13 | 1a375313 |
| Base 14 | 13437514 | 13437b14 |
| Base 15 | d1e5e15 | d1e6515 |
| Base 16 | a24a316 | a24a916 |