Compare 12487 vs 12781
| Property | 12487 | 12781 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 124871 | 127811 |
| Prime factorization | 12487 | 12781 |
| Divisors count | 2 | 2 |
| Divisors | 1, 12487 | 1, 12781 |
| Number of properties | 6 | 7 |
| Additive primes | 739th | |
| Chen primes | 773rd | |
| Cousin primes (1st member) | 243rd | |
| Good primes | 204th | |
| Isolated primes | 1007th | 1037th |
| Long primes | 577th | 593rd |
| Lucky primes | 254th | 259th |
| Primes | 1490th | 1524th |
| Pythagorean primes | 755th | |
| Roman numberals | ||
| Base 2 | 110000110001112 | 110001111011012 |
| Base 3 | 1220101113 | 1221121013 |
| Base 4 | 30030134 | 30132314 |
| Base 5 | 3444225 | 4021115 |
| Base 6 | 1334516 | 1351016 |
| Base 7 | 512567 | 521567 |
| Base 8 | 303078 | 307558 |
| Base 9 | 181149 | 184719 |
| Base 10 | 1248710 | 1278110 |
| Base 11 | 942211 | 966a11 |
| Base 12 | 728712 | 749112 |
| Base 13 | 58b713 | 5a8213 |
| Base 14 | 479d14 | 492d14 |
| Base 15 | 3a7715 | 3bc115 |
| Base 16 | 30c716 | 31ed16 |