Compare 641 vs 659
| Property | 641 | 659 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6411 | 6591 |
| Prime factorization | 641 | 659 |
| Divisors count | 2 | 2 |
| Divisors | 1, 641 | 1, 659 |
| Number of properties | 14 | 8 |
| Additive primes | 62nd | |
| Chen primes | 81st | 84th |
| Good primes | 35th | |
| Long primes | 44th | |
| Primes | 116th | 120th |
| Prime triplets (1st member) | 24th | |
| Proth primes | 14th | |
| Pythagorean primes | 55th | |
| Quartan primes | 6th | |
| Sexy primes (1st member) | 57th | |
| Sexy primes (2nd member) | 59th | |
| Sexy prime quadrupletss (1st member) | 7th | |
| Sexy prime quadrupletss (4th member) | 7th | |
| Sexy prime triplets (1st member) | 24th | |
| Sexy prime triplets (3rd member) | 25th | |
| Solinas primes | 41st | |
| Sophie germain primes | 28th | 30th |
| Twin primes (1st member) | 29th | 30th |
| Roman numberals | DCXLI | DCLIX |
| Base 2 | 10100000012 | 10100100112 |
| Base 3 | 2122023 | 2201023 |
| Base 4 | 220014 | 221034 |
| Base 5 | 100315 | 101145 |
| Base 6 | 25456 | 30156 |
| Base 7 | 16047 | 16317 |
| Base 8 | 12018 | 12238 |
| Base 9 | 7829 | 8129 |
| Base 10 | 64110 | 65910 |
| Base 11 | 53311 | 54a11 |
| Base 12 | 45512 | 46b12 |
| Base 13 | 3a413 | 3b913 |
| Base 14 | 33b14 | 35114 |
| Base 15 | 2cb15 | 2de15 |
| Base 16 | 28116 | 29316 |