Compare 257 vs 641
Property | 257 | 641 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 2571 | 6411 |
Prime factorization | 257 | 641 |
Divisors count | 2 | 2 |
Divisors | 1, 257 | 1, 641 |
Number of properties | 16 | 14 |
Additive primes | 62nd | |
Chen primes | 42nd | 81st |
Fermat primes | 4th | |
Good primes | 20th | 35th |
Isolated primes | 22nd | |
Long primes | 21st | |
Pierpont primes | 14th | |
Primes | 55th | 116th |
Prime triplets (1st member) | 24th | |
Proth primes | 10th | 14th |
Pythagorean primes | 25th | 55th |
Quartan primes | 4th | 6th |
Sexy primes (1st member) | 31st | 57th |
Sexy primes (2nd member) | 30th | |
Sexy prime quadrupletss (1st member) | 7th | |
Sexy prime quadrupletss (2nd member) | 5th | |
Sexy prime triplets (1st member) | 16th | 24th |
Sexy prime triplets (2nd member) | 15th | |
Solinas primes | 31st | 41st |
Sophie germain primes | 28th | |
Twin primes (1st member) | 29th | |
Roman numberals | CCLVII | DCXLI |
Base 2 | 1000000012 | 10100000012 |
Base 3 | 1001123 | 2122023 |
Base 4 | 100014 | 220014 |
Base 5 | 20125 | 100315 |
Base 6 | 11056 | 25456 |
Base 7 | 5157 | 16047 |
Base 8 | 4018 | 12018 |
Base 9 | 3159 | 7829 |
Base 10 | 25710 | 64110 |
Base 11 | 21411 | 53311 |
Base 12 | 19512 | 45512 |
Base 13 | 16a13 | 3a413 |
Base 14 | 14514 | 33b14 |
Base 15 | 12215 | 2cb15 |
Base 16 | 10116 | 28116 |