Compare 664799 vs 664807
| Property | 664799 | 664807 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6647991 | 111 × 131 × 46491 |
| Prime factorization | 664799 | 11 × 13 × 4649 |
| Divisors count | 2 | 8 |
| Divisors | 1, 664799 | 1, 11, 13, 143, 4649, 51139, 60437, 664807 |
| Number of properties | 7 | 0 |
| Additive primes | 21052nd | |
| Chen primes | 21095th | |
| Isolated primes | 42290th | |
| Primes | 53935th | |
| Safe primes | 3114th | |
| Sexy primes (2nd member) | 11641st | |
| Sophie germain primes | 5486th | |
| Roman numberals | ||
| Base 2 | 101000100100110111112 | 101000100100111001112 |
| Base 3 | 10202022210123 | 10202022211113 |
| Base 4 | 22021031334 | 22021032134 |
| Base 5 | 1322331445 | 1322332125 |
| Base 6 | 221254356 | 221254516 |
| Base 7 | 54361227 | 54361337 |
| Base 8 | 24223378 | 24223478 |
| Base 9 | 12228359 | 12228449 |
| Base 10 | 66479910 | 66480710 |
| Base 11 | 41452311 | 41453011 |
| Base 12 | 28087b12 | 28088712 |
| Base 13 | 1a379513 | 1a37a013 |
| Base 14 | 1343b914 | 1343c314 |
| Base 15 | d1e9e15 | d1ea715 |
| Base 16 | a24df16 | a24e716 |