Compare 1213 vs 1867
| Property | 1213 | 1867 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12131 | 18671 |
| Prime factorization | 1213 | 1867 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1213 | 1, 1867 |
| Number of properties | 7 | 12 |
| Additive primes | 106th | |
| Cousin primes (1st member) | 45th | 62nd |
| Emirps | 52nd | 90th |
| Good primes | 49th | 59th |
| Isolated primes | 117th | 174th |
| Primes | 198th | 285th |
| Prime quintuplet 1s (1st member) | 3rd | |
| Prime triplets (1st member) | 46th | |
| Pythagorean primes | 97th | |
| Sexy primes (1st member) | 121st | |
| Sexy primes (2nd member) | 120th | |
| Sexy prime quadrupletss (2nd member) | 12th | |
| Sexy prime triplets (1st member) | 48th | |
| Sexy prime triplets (2nd member) | 47th | |
| Roman numberals | MCCXIII | MDCCCLXVII |
| Base 2 | 100101111012 | 111010010112 |
| Base 3 | 11222213 | 21200113 |
| Base 4 | 1023314 | 1310234 |
| Base 5 | 143235 | 244325 |
| Base 6 | 53416 | 123516 |
| Base 7 | 33527 | 53057 |
| Base 8 | 22758 | 35138 |
| Base 9 | 15879 | 25049 |
| Base 10 | 121310 | 186710 |
| Base 11 | a0311 | 144811 |
| Base 12 | 85112 | 10b712 |
| Base 13 | 72413 | b0813 |
| Base 14 | 62914 | 97514 |
| Base 15 | 55d15 | 84715 |
| Base 16 | 4bd16 | 74b16 |