Compare 821 vs 1019
Property | 821 | 1019 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 8211 | 10191 |
Prime factorization | 821 | 1019 |
Divisors count | 2 | 2 |
Divisors | 1, 821 | 1, 1019 |
Number of properties | 10 | 9 |
Additive primes | 75th | 91st |
Chen primes | 97th | 117th |
Good primes | 40th | |
Long primes | 50th | 61st |
Primes | 142nd | 171st |
Prime quadruplets (1st member) | 5th | |
Prime triplets (1st member) | 25th | |
Pythagorean primes | 69th | |
Safe primes | 26th | |
Sexy primes (1st member) | 64th | |
Sexy primes (2nd member) | 75th | |
Solinas primes | 45th | |
Sophie germain primes | 39th | |
Twin primes (1st member) | 32nd | 36th |
Roman numberals | DCCCXXI | MXIX |
Base 2 | 11001101012 | 11111110112 |
Base 3 | 10101023 | 11012023 |
Base 4 | 303114 | 333234 |
Base 5 | 112415 | 130345 |
Base 6 | 34456 | 44156 |
Base 7 | 22527 | 26547 |
Base 8 | 14658 | 17738 |
Base 9 | 11129 | 13529 |
Base 10 | 82110 | 101910 |
Base 11 | 68711 | 84711 |
Base 12 | 58512 | 70b12 |
Base 13 | 4b213 | 60513 |
Base 14 | 42914 | 52b14 |
Base 15 | 39b15 | 47e15 |
Base 16 | 33516 | 3fb16 |