Compare 665501 vs 667421
| Property | 665501 | 667421 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6655011 | 6674211 |
| Prime factorization | 665501 | 667421 |
| Divisors count | 2 | 2 |
| Divisors | 1, 665501 | 1, 667421 |
| Number of properties | 6 | 7 |
| Additive primes | 21070th | |
| Chen primes | 21113th | 21156th |
| Cousin primes (2nd member) | 5837th | |
| Primes | 53986th | 54123rd |
| Prime triplets (1st member) | 2126th | 2134th |
| Prime triplets (2nd member) | 2133rd | |
| Sexy primes (1st member) | 11653rd | 11676th |
| Twin primes (1st member) | 5828th | 5844th |
| Roman numberals | ||
| Base 2 | 101000100111100111012 | 101000101111000111012 |
| Base 3 | 10202102200123 | 10202201120223 |
| Base 4 | 22021321314 | 22023301314 |
| Base 5 | 1322440015 | 1323241415 |
| Base 6 | 221330056 | 221455256 |
| Base 7 | 54411447 | 54465567 |
| Base 8 | 24236358 | 24274358 |
| Base 9 | 12238059 | 12264689 |
| Base 10 | 66550110 | 66742110 |
| Base 11 | 41500111 | 41649711 |
| Base 12 | 28116512 | 2822a512 |
| Base 13 | 1a3bb513 | 1a4a3113 |
| Base 14 | 13475b14 | 13532d14 |
| Base 15 | d22bb15 | d2b4b15 |
| Base 16 | a279d16 | a2f1d16 |