Compare 802 vs 809
| Property | 802 | 809 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 4011 | 8091 |
| Prime factorization | 2 × 401 | 809 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 401, 802 | 1, 809 |
| Number of properties | 1 | 7 |
| Additive primes | 74th | |
| Chen primes | 95th | |
| Good primes | 39th | |
| Primes | 140th | |
| Pythagorean primes | 68th | |
| Semiprimes | 243rd | |
| Sophie germain primes | 35th | |
| Twin primes (1st member) | 31st | |
| Roman numberals | DCCCII | DCCCIX |
| Base 2 | 11001000102 | 11001010012 |
| Base 3 | 10022013 | 10022223 |
| Base 4 | 302024 | 302214 |
| Base 5 | 112025 | 112145 |
| Base 6 | 34146 | 34256 |
| Base 7 | 22247 | 22347 |
| Base 8 | 14428 | 14518 |
| Base 9 | 10819 | 10889 |
| Base 10 | 80210 | 80910 |
| Base 11 | 66a11 | 67611 |
| Base 12 | 56a12 | 57512 |
| Base 13 | 49913 | 4a313 |
| Base 14 | 41414 | 41b14 |
| Base 15 | 38715 | 38e15 |
| Base 16 | 32216 | 32916 |