Compare 667421 vs 668609
| Property | 667421 | 668609 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6674211 | 6686091 |
| Prime factorization | 667421 | 668609 |
| Divisors count | 2 | 2 |
| Divisors | 1, 667421 | 1, 668609 |
| Number of properties | 7 | 3 |
| Chen primes | 21156th | 21189th |
| Cousin primes (2nd member) | 5837th | |
| Primes | 54123rd | 54205th |
| Prime triplets (1st member) | 2134th | |
| Prime triplets (2nd member) | 2133rd | |
| Sexy primes (1st member) | 11676th | |
| Twin primes (1st member) | 5844th | 5853rd |
| Roman numberals | ||
| Base 2 | 101000101111000111012 | 101000110011110000012 |
| Base 3 | 10202201120223 | 10202220110223 |
| Base 4 | 22023301314 | 22030330014 |
| Base 5 | 1323241415 | 1323434145 |
| Base 6 | 221455256 | 221552256 |
| Base 7 | 54465567 | 54532047 |
| Base 8 | 24274358 | 24317018 |
| Base 9 | 12264689 | 12281389 |
| Base 10 | 66742110 | 66860910 |
| Base 11 | 41649711 | 41737711 |
| Base 12 | 2822a512 | 282b1512 |
| Base 13 | 1a4a3113 | 1a543613 |
| Base 14 | 13532d14 | 13593b14 |
| Base 15 | d2b4b15 | d318e15 |
| Base 16 | a2f1d16 | a33c116 |