Compare 641 vs 971
| Property | 641 | 971 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6411 | 9711 |
| Prime factorization | 641 | 971 |
| Divisors count | 2 | 2 |
| Divisors | 1, 641 | 1, 971 |
| Number of properties | 14 | 11 |
| Additive primes | 62nd | 87th |
| Chen primes | 81st | 112th |
| Class 1+ primes | 19th | |
| Cousin primes (2nd member) | 41st | |
| Emirps | 34th | |
| Good primes | 35th | |
| Isolated primes | 95th | |
| Long primes | 58th | |
| Pierpont primes of the 2nd kind | 19th | |
| Primes | 116th | 164th |
| Prime triplets (1st member) | 24th | |
| Proth primes | 14th | |
| Pythagorean primes | 55th | |
| Quartan primes | 6th | |
| Sexy primes (1st member) | 57th | 72nd |
| Sexy prime quadrupletss (1st member) | 7th | |
| Sexy prime triplets (1st member) | 24th | 28th |
| Solinas primes | 41st | |
| Sophie germain primes | 28th | |
| Twin primes (1st member) | 29th | |
| Roman numberals | DCXLI | CMLXXI |
| Base 2 | 10100000012 | 11110010112 |
| Base 3 | 2122023 | 10222223 |
| Base 4 | 220014 | 330234 |
| Base 5 | 100315 | 123415 |
| Base 6 | 25456 | 42556 |
| Base 7 | 16047 | 25557 |
| Base 8 | 12018 | 17138 |
| Base 9 | 7829 | 12889 |
| Base 10 | 64110 | 97110 |
| Base 11 | 53311 | 80311 |
| Base 12 | 45512 | 68b12 |
| Base 13 | 3a413 | 59913 |
| Base 14 | 33b14 | 4d514 |
| Base 15 | 2cb15 | 44b15 |
| Base 16 | 28116 | 3cb16 |