Compare 1213 vs 1579
| Property | 1213 | 1579 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12131 | 15791 |
| Prime factorization | 1213 | 1579 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1213 | 1, 1579 |
| Number of properties | 7 | 6 |
| Additive primes | 106th | |
| Cousin primes (1st member) | 45th | 56th |
| Emirps | 52nd | |
| Good primes | 49th | |
| Harmonic primes | 83rd | |
| Isolated primes | 117th | 150th |
| Long primes | 97th | |
| Lucky primes | 60th | |
| Primes | 198th | 249th |
| Pythagorean primes | 97th | |
| Roman numberals | MCCXIII | MDLXXIX |
| Base 2 | 100101111012 | 110001010112 |
| Base 3 | 11222213 | 20111113 |
| Base 4 | 1023314 | 1202234 |
| Base 5 | 143235 | 223045 |
| Base 6 | 53416 | 111516 |
| Base 7 | 33527 | 44147 |
| Base 8 | 22758 | 30538 |
| Base 9 | 15879 | 21449 |
| Base 10 | 121310 | 157910 |
| Base 11 | a0311 | 120611 |
| Base 12 | 85112 | ab712 |
| Base 13 | 72413 | 94613 |
| Base 14 | 62914 | 80b14 |
| Base 15 | 55d15 | 70415 |
| Base 16 | 4bd16 | 62b16 |