Compare 1031 vs 1213
| Property | 1031 | 1213 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 10311 | 12131 |
| Prime factorization | 1031 | 1213 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1031 | 1, 1213 |
| Number of properties | 9 | 7 |
| Additive primes | 92nd | 106th |
| Chen primes | 118th | |
| Cousin primes (1st member) | 45th | |
| Emirps | 39th | 52nd |
| Good primes | 46th | 49th |
| Isolated primes | 117th | |
| Primes | 173rd | 198th |
| Pythagorean primes | 97th | |
| Solinas primes | 47th | |
| Sophie germain primes | 40th | |
| Super primes | 40th | |
| Twin primes (1st member) | 37th | |
| Roman numberals | MXXXI | MCCXIII |
| Base 2 | 100000001112 | 100101111012 |
| Base 3 | 11020123 | 11222213 |
| Base 4 | 1000134 | 1023314 |
| Base 5 | 131115 | 143235 |
| Base 6 | 44356 | 53416 |
| Base 7 | 30027 | 33527 |
| Base 8 | 20078 | 22758 |
| Base 9 | 13659 | 15879 |
| Base 10 | 103110 | 121310 |
| Base 11 | 85811 | a0311 |
| Base 12 | 71b12 | 85112 |
| Base 13 | 61413 | 72413 |
| Base 14 | 53914 | 62914 |
| Base 15 | 48b15 | 55d15 |
| Base 16 | 40716 | 4bd16 |