Compare 666979 vs 668029
| Property | 666979 | 668029 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6669791 | 6680291 |
| Prime factorization | 666979 | 668029 |
| Divisors count | 2 | 2 |
| Divisors | 1, 666979 | 1, 668029 |
| Number of properties | 5 | 5 |
| Additive primes | 21115th | 21148th |
| Cousin primes (1st member) | 5834th | 5842nd |
| Happy primes | 7665th | |
| Isolated primes | 42416th | 42474th |
| Primes | 54093rd | 54171st |
| Ulam primes | 3981st | |
| Roman numberals | ||
| Base 2 | 101000101101011000112 | 101000110001011111012 |
| Base 3 | 10202122202213 | 10202211002113 |
| Base 4 | 22023112034 | 22030113314 |
| Base 5 | 1323204045 | 1323341045 |
| Base 6 | 221435116 | 221524216 |
| Base 7 | 54453557 | 54514157 |
| Base 8 | 24265438 | 24305758 |
| Base 9 | 12258279 | 12273249 |
| Base 10 | 66697910 | 66802910 |
| Base 11 | 41612511 | 41699a11 |
| Base 12 | 281b9712 | 28271112 |
| Base 13 | 1a478113 | 1a50ab13 |
| Base 14 | 1350d514 | 13564514 |
| Base 15 | d295415 | d2e0415 |
| Base 16 | a2d6316 | a317d16 |