Compare 257 vs 2917
| Property | 257 | 2917 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 2571 | 29171 | 
| Prime factorization | 257 | 2917 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 257 | 1, 2917 | 
| Number of properties | 16 | 5 | 
| Additive primes | 217th | |
| Chen primes | 42nd | |
| Fermat primes | 4th | |
| Good primes | 20th | |
| Isolated primes | 22nd | 263rd | 
| Long primes | 21st | |
| Pierpont primes | 14th | 23rd | 
| Primes | 55th | 422nd | 
| Proth primes | 10th | |
| Pythagorean primes | 25th | 208th | 
| Quartan primes | 4th | |
| Sexy primes (1st member) | 31st | |
| Sexy primes (2nd member) | 30th | |
| Sexy prime quadrupletss (2nd member) | 5th | |
| Sexy prime triplets (1st member) | 16th | |
| Sexy prime triplets (2nd member) | 15th | |
| Solinas primes | 31st | |
| Roman numberals | CCLVII | MMCMXVII | 
| Base 2 | 1000000012 | 1011011001012 | 
| Base 3 | 1001123 | 110000013 | 
| Base 4 | 100014 | 2312114 | 
| Base 5 | 20125 | 431325 | 
| Base 6 | 11056 | 213016 | 
| Base 7 | 5157 | 113357 | 
| Base 8 | 4018 | 55458 | 
| Base 9 | 3159 | 40019 | 
| Base 10 | 25710 | 291710 | 
| Base 11 | 21411 | 221211 | 
| Base 12 | 19512 | 183112 | 
| Base 13 | 16a13 | 143513 | 
| Base 14 | 14514 | 10c514 | 
| Base 15 | 12215 | ce715 | 
| Base 16 | 10116 | b6516 |