Compare 821 vs 1277
Property | 821 | 1277 |
---|---|---|
Type | prime | prime |
Unique factors | 1 | 1 |
Total factors | 1 | 1 |
Prime factorization | 8211 | 12771 |
Prime factorization | 821 | 1277 |
Divisors count | 2 | 2 |
Divisors | 1, 821 | 1, 1277 |
Number of properties | 10 | 10 |
Additive primes | 75th | 111th |
Chen primes | 97th | 134th |
Good primes | 40th | 50th |
Happy primes | 41st | |
Long primes | 50th | |
Primes | 142nd | 206th |
Prime quadruplets (1st member) | 5th | |
Prime triplets (1st member) | 25th | 33rd |
Pythagorean primes | 69th | 102nd |
Sexy primes (1st member) | 64th | 89th |
Sexy prime triplets (1st member) | 34th | |
Twin primes (1st member) | 32nd | 43rd |
Roman numberals | DCCCXXI | MCCLXXVII |
Base 2 | 11001101012 | 100111111012 |
Base 3 | 10101023 | 12020223 |
Base 4 | 303114 | 1033314 |
Base 5 | 112415 | 201025 |
Base 6 | 34456 | 55256 |
Base 7 | 22527 | 35037 |
Base 8 | 14658 | 23758 |
Base 9 | 11129 | 16689 |
Base 10 | 82110 | 127710 |
Base 11 | 68711 | a6111 |
Base 12 | 58512 | 8a512 |
Base 13 | 4b213 | 77313 |
Base 14 | 42914 | 67314 |
Base 15 | 39b15 | 5a215 |
Base 16 | 33516 | 4fd16 |