Compare 12781 vs 12983
| Property | 12781 | 12983 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 127811 | 129831 |
| Prime factorization | 12781 | 12983 |
| Divisors count | 2 | 2 |
| Divisors | 1, 12781 | 1, 12983 |
| Number of properties | 7 | 8 |
| Additive primes | 739th | 746th |
| Chen primes | 773rd | |
| Cousin primes (2nd member) | 249th | |
| Emirps | 363rd | |
| Harmonic primes | 556th | |
| Isolated primes | 1037th | 1056th |
| Long primes | 593rd | 600th |
| Lucky primes | 259th | |
| Primes | 1524th | 1547th |
| Pythagorean primes | 755th | |
| Safe primes | 143rd | |
| Roman numberals | ||
| Base 2 | 110001111011012 | 110010101101112 |
| Base 3 | 1221121013 | 1222102123 |
| Base 4 | 30132314 | 30223134 |
| Base 5 | 4021115 | 4034135 |
| Base 6 | 1351016 | 1400356 |
| Base 7 | 521567 | 525657 |
| Base 8 | 307558 | 312678 |
| Base 9 | 184719 | 187259 |
| Base 10 | 1278110 | 1298310 |
| Base 11 | 966a11 | 983311 |
| Base 12 | 749112 | 761b12 |
| Base 13 | 5a8213 | 5ba913 |
| Base 14 | 492d14 | 4a3514 |
| Base 15 | 3bc115 | 3ca815 |
| Base 16 | 31ed16 | 32b716 |