Compare 668609 vs 669029
| Property | 668609 | 669029 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6686091 | 6690291 |
| Prime factorization | 668609 | 669029 |
| Divisors count | 2 | 2 |
| Divisors | 1, 668609 | 1, 669029 |
| Number of properties | 3 | 4 |
| Chen primes | 21189th | 21199th |
| Isolated primes | 42530th | |
| Primes | 54205th | 54237th |
| Sexy primes (2nd member) | 11694th | |
| Twin primes (1st member) | 5853rd | |
| Roman numberals | ||
| Base 2 | 101000110011110000012 | 101000110101011001012 |
| Base 3 | 10202220110223 | 10202222012123 |
| Base 4 | 22030330014 | 22031112114 |
| Base 5 | 1323434145 | 1324021045 |
| Base 6 | 221552256 | 222012056 |
| Base 7 | 54532047 | 54543447 |
| Base 8 | 24317018 | 24325458 |
| Base 9 | 12281389 | 12286559 |
| Base 10 | 66860910 | 66902910 |
| Base 11 | 41737711 | 41771911 |
| Base 12 | 282b1512 | 28320512 |
| Base 13 | 1a543613 | 1a569a13 |
| Base 14 | 13593b14 | 135b5b14 |
| Base 15 | d318e15 | d336e15 |
| Base 16 | a33c116 | a356516 |