Compare 12689 vs 12781
| Property | 12689 | 12781 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 126891 | 127811 |
| Prime factorization | 12689 | 12781 |
| Divisors count | 2 | 2 |
| Divisors | 1, 12689 | 1, 12781 |
| Number of properties | 5 | 7 |
| Additive primes | 739th | |
| Chen primes | 773rd | |
| Emirps | 350th | |
| Harmonic primes | 542nd | |
| Isolated primes | 1028th | 1037th |
| Long primes | 593rd | |
| Lucky primes | 259th | |
| Primes | 1515th | 1524th |
| Pythagorean primes | 750th | 755th |
| Roman numberals | ||
| Base 2 | 110001100100012 | 110001111011012 |
| Base 3 | 1221012223 | 1221121013 |
| Base 4 | 30121014 | 30132314 |
| Base 5 | 4012245 | 4021115 |
| Base 6 | 1344256 | 1351016 |
| Base 7 | 516657 | 521567 |
| Base 8 | 306218 | 307558 |
| Base 9 | 183589 | 184719 |
| Base 10 | 1268910 | 1278110 |
| Base 11 | 959611 | 966a11 |
| Base 12 | 741512 | 749112 |
| Base 13 | 5a1113 | 5a8213 |
| Base 14 | 48a514 | 492d14 |
| Base 15 | 3b5e15 | 3bc115 |
| Base 16 | 319116 | 31ed16 |