Compare 809 vs 815
Property | 809 | 815 |
---|---|---|
Type | prime | semiprime |
Unique factors | 1 | 2 |
Total factors | 1 | 2 |
Prime factorization | 8091 | 51 × 1631 |
Prime factorization | 809 | 5 × 163 |
Divisors count | 2 | 4 |
Divisors | 1, 809 | 1, 5, 163, 815 |
Number of properties | 7 | 1 |
Additive primes | 74th | |
Chen primes | 95th | |
Good primes | 39th | |
Primes | 140th | |
Pythagorean primes | 68th | |
Semiprimes | 247th | |
Sophie germain primes | 35th | |
Twin primes (1st member) | 31st | |
Roman numberals | DCCCIX | DCCCXV |
Base 2 | 11001010012 | 11001011112 |
Base 3 | 10022223 | 10100123 |
Base 4 | 302214 | 302334 |
Base 5 | 112145 | 112305 |
Base 6 | 34256 | 34356 |
Base 7 | 22347 | 22437 |
Base 8 | 14518 | 14578 |
Base 9 | 10889 | 11059 |
Base 10 | 80910 | 81510 |
Base 11 | 67611 | 68111 |
Base 12 | 57512 | 57b12 |
Base 13 | 4a313 | 4a913 |
Base 14 | 41b14 | 42314 |
Base 15 | 38e15 | 39515 |
Base 16 | 32916 | 32f16 |