Compare 641 vs 1297
| Property | 641 | 1297 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6411 | 12971 |
| Prime factorization | 641 | 1297 |
| Divisors count | 2 | 2 |
| Divisors | 1, 641 | 1, 1297 |
| Number of properties | 14 | 14 |
| Additive primes | 62nd | 114th |
| Chen primes | 81st | 138th |
| Cousin primes (1st member) | 47th | |
| Good primes | 35th | |
| Isolated primes | 124th | |
| Long primes | 81st | |
| Pierpont primes | 20th | |
| Primes | 116th | 211th |
| Prime triplets (1st member) | 24th | 34th |
| Proth primes | 14th | |
| Pythagorean primes | 55th | 104th |
| Quartan primes | 6th | 8th |
| Sexy primes (1st member) | 57th | 92nd |
| Sexy primes (2nd member) | 91st | |
| Sexy prime quadrupletss (1st member) | 7th | |
| Sexy prime triplets (1st member) | 24th | |
| Sexy prime triplets (2nd member) | 35th | |
| Solinas primes | 41st | |
| Sophie germain primes | 28th | |
| Super primes | 47th | |
| Twin primes (1st member) | 29th | |
| Roman numberals | DCXLI | MCCXCVII |
| Base 2 | 10100000012 | 101000100012 |
| Base 3 | 2122023 | 12100013 |
| Base 4 | 220014 | 1101014 |
| Base 5 | 100315 | 201425 |
| Base 6 | 25456 | 100016 |
| Base 7 | 16047 | 35327 |
| Base 8 | 12018 | 24218 |
| Base 9 | 7829 | 17019 |
| Base 10 | 64110 | 129710 |
| Base 11 | 53311 | a7a11 |
| Base 12 | 45512 | 90112 |
| Base 13 | 3a413 | 78a13 |
| Base 14 | 33b14 | 68914 |
| Base 15 | 2cb15 | 5b715 |
| Base 16 | 28116 | 51116 |