Compare 797 vs 809
| Property | 797 | 809 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 7971 | 8091 | 
| Prime factorization | 797 | 809 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 797 | 1, 809 | 
| Number of properties | 11 | 7 | 
| Additive primes | 73rd | 74th | 
| Chen primes | 94th | 95th | 
| Good primes | 39th | |
| Isolated primes | 80th | |
| Left-truncatable primes | 45th | |
| Palindromic primes | 18th | |
| Primes | 139th | 140th | 
| Pythagorean primes | 67th | 68th | 
| Restricted right-truncatable primes | 4th | |
| Right-truncatable primes | 27th | |
| Sophie germain primes | 35th | |
| Super primes | 34th | |
| Twin primes (1st member) | 31st | |
| Two-sided primes | 12th | |
| Roman numberals | DCCXCVII | DCCCIX | 
| Base 2 | 11000111012 | 11001010012 | 
| Base 3 | 10021123 | 10022223 | 
| Base 4 | 301314 | 302214 | 
| Base 5 | 111425 | 112145 | 
| Base 6 | 34056 | 34256 | 
| Base 7 | 22167 | 22347 | 
| Base 8 | 14358 | 14518 | 
| Base 9 | 10759 | 10889 | 
| Base 10 | 79710 | 80910 | 
| Base 11 | 66511 | 67611 | 
| Base 12 | 56512 | 57512 | 
| Base 13 | 49413 | 4a313 | 
| Base 14 | 40d14 | 41b14 | 
| Base 15 | 38215 | 38e15 | 
| Base 16 | 31d16 | 32916 |