Compare 821 vs 825
Property | 821 | 825 |
---|---|---|
Type | prime | composite number |
Unique factors | 1 | 3 |
Total factors | 1 | 4 |
Prime factorization | 8211 | 31 × 52 × 111 |
Prime factorization | 821 | 3 × 5 × 5 × 11 |
Divisors count | 2 | 12 |
Divisors | 1, 821 | 1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 825 |
Number of properties | 10 | 0 |
Additive primes | 75th | |
Chen primes | 97th | |
Good primes | 40th | |
Long primes | 50th | |
Primes | 142nd | |
Prime quadruplets (1st member) | 5th | |
Prime triplets (1st member) | 25th | |
Pythagorean primes | 69th | |
Sexy primes (1st member) | 64th | |
Twin primes (1st member) | 32nd | |
Roman numberals | DCCCXXI | DCCCXXV |
Base 2 | 11001101012 | 11001110012 |
Base 3 | 10101023 | 10101203 |
Base 4 | 303114 | 303214 |
Base 5 | 112415 | 113005 |
Base 6 | 34456 | 34536 |
Base 7 | 22527 | 22567 |
Base 8 | 14658 | 14718 |
Base 9 | 11129 | 11169 |
Base 10 | 82110 | 82510 |
Base 11 | 68711 | 69011 |
Base 12 | 58512 | 58912 |
Base 13 | 4b213 | 4b613 |
Base 14 | 42914 | 42d14 |
Base 15 | 39b15 | 3a015 |
Base 16 | 33516 | 33916 |