Compare 821 vs 1297
Property | 821 | 1297 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 8211 | 12971 |
Prime factorization | 821 | 1297 |
Divisors count | 2 | 2 |
Divisors | 1, 821 | 1, 1297 |
Number of properties | 10 | 14 |
Additive primes | 75th | 114th |
Chen primes | 97th | 138th |
Cousin primes (1st member) | 47th | |
Good primes | 40th | |
Isolated primes | 124th | |
Long primes | 50th | 81st |
Pierpont primes | 20th | |
Primes | 142nd | 211th |
Prime quadruplets (1st member) | 5th | |
Prime triplets (1st member) | 25th | 34th |
Pythagorean primes | 69th | 104th |
Quartan primes | 8th | |
Sexy primes (1st member) | 64th | 92nd |
Sexy primes (2nd member) | 91st | |
Sexy prime triplets (2nd member) | 35th | |
Super primes | 47th | |
Twin primes (1st member) | 32nd | |
Roman numberals | DCCCXXI | MCCXCVII |
Base 2 | 11001101012 | 101000100012 |
Base 3 | 10101023 | 12100013 |
Base 4 | 303114 | 1101014 |
Base 5 | 112415 | 201425 |
Base 6 | 34456 | 100016 |
Base 7 | 22527 | 35327 |
Base 8 | 14658 | 24218 |
Base 9 | 11129 | 17019 |
Base 10 | 82110 | 129710 |
Base 11 | 68711 | a7a11 |
Base 12 | 58512 | 90112 |
Base 13 | 4b213 | 78a13 |
Base 14 | 42914 | 68914 |
Base 15 | 39b15 | 5b715 |
Base 16 | 33516 | 51116 |