Compare 12889 vs 12891
| Property | 12889 | 12891 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 128891 | 31 × 42971 |
| Prime factorization | 12889 | 3 × 4297 |
| Divisors count | 2 | 4 |
| Divisors | 1, 12889 | 1, 3, 4297, 12891 |
| Number of properties | 6 | 1 |
| Chen primes | 777th | |
| Cousin primes (1st member) | 246th | |
| Good primes | 205th | |
| Isolated primes | 1044th | |
| Primes | 1533rd | |
| Pythagorean primes | 761st | |
| Semiprimes | 3350th | |
| Roman numberals | ||
| Base 2 | 110010010110012 | 110010010110112 |
| Base 3 | 1222001013 | 1222001103 |
| Base 4 | 30211214 | 30211234 |
| Base 5 | 4030245 | 4030315 |
| Base 6 | 1354016 | 1354036 |
| Base 7 | 524027 | 524047 |
| Base 8 | 311318 | 311338 |
| Base 9 | 186119 | 186139 |
| Base 10 | 1288910 | 1289110 |
| Base 11 | 975811 | 975a11 |
| Base 12 | 756112 | 756312 |
| Base 13 | 5b3613 | 5b3813 |
| Base 14 | 49a914 | 49ab14 |
| Base 15 | 3c4415 | 3c4615 |
| Base 16 | 325916 | 325b16 |