Compare 664007 vs 664019
| Property | 664007 | 664019 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 7731 × 8591 | 6640191 |
| Prime factorization | 773 × 859 | 664019 |
| Divisors count | 4 | 2 |
| Divisors | 1, 773, 859, 664007 | 1, 664019 |
| Number of properties | 1 | 4 |
| Chen primes | 21069th | |
| Isolated primes | 42239th | |
| Primes | 53870th | |
| Safe primes | 3109th | |
| Semiprimes | 142068th | |
| Roman numberals | ||
| Base 2 | 101000100001110001112 | 101000100001110100112 |
| Base 3 | 10202012112123 | 10202012120223 |
| Base 4 | 22020130134 | 22020131034 |
| Base 5 | 1322220125 | 1322220345 |
| Base 6 | 221220356 | 221220556 |
| Base 7 | 54336117 | 54336267 |
| Base 8 | 24207078 | 24207238 |
| Base 9 | 12217559 | 12217689 |
| Base 10 | 66400710 | 66401910 |
| Base 11 | 41397311 | 41398411 |
| Base 12 | 28031b12 | 28032b12 |
| Base 13 | 1a330613 | 1a331513 |
| Base 14 | 133db114 | 133dbd14 |
| Base 15 | d1b2215 | d1b2e15 |
| Base 16 | a21c716 | a21d316 |