Compare 664019 vs 664799
| Property | 664019 | 664799 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6640191 | 6647991 |
| Prime factorization | 664019 | 664799 |
| Divisors count | 2 | 2 |
| Divisors | 1, 664019 | 1, 664799 |
| Number of properties | 4 | 7 |
| Additive primes | 21052nd | |
| Chen primes | 21069th | 21095th |
| Isolated primes | 42239th | 42290th |
| Primes | 53870th | 53935th |
| Safe primes | 3109th | 3114th |
| Sexy primes (2nd member) | 11641st | |
| Sophie germain primes | 5486th | |
| Roman numberals | ||
| Base 2 | 101000100001110100112 | 101000100100110111112 |
| Base 3 | 10202012120223 | 10202022210123 |
| Base 4 | 22020131034 | 22021031334 |
| Base 5 | 1322220345 | 1322331445 |
| Base 6 | 221220556 | 221254356 |
| Base 7 | 54336267 | 54361227 |
| Base 8 | 24207238 | 24223378 |
| Base 9 | 12217689 | 12228359 |
| Base 10 | 66401910 | 66479910 |
| Base 11 | 41398411 | 41452311 |
| Base 12 | 28032b12 | 28087b12 |
| Base 13 | 1a331513 | 1a379513 |
| Base 14 | 133dbd14 | 1343b914 |
| Base 15 | d1b2e15 | d1e9e15 |
| Base 16 | a21d316 | a24df16 |