Compare 1087 vs 1213
| Property | 1087 | 1213 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 10871 | 12131 |
| Prime factorization | 1087 | 1213 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1087 | 1, 1213 |
| Number of properties | 11 | 7 |
| Additive primes | 106th | |
| Cousin primes (1st member) | 43rd | 45th |
| Emirps | 52nd | |
| Good primes | 47th | 49th |
| Isolated primes | 104th | 117th |
| Kynea primes | 5th | |
| Long primes | 67th | |
| Lucky primes | 47th | |
| Primes | 181st | 198th |
| Prime triplets (1st member) | 31st | |
| Pythagorean primes | 97th | |
| Sexy primes (1st member) | 78th | |
| Solinas primes | 50th | |
| Super primes | 42nd | |
| Roman numberals | MLXXXVII | MCCXIII |
| Base 2 | 100001111112 | 100101111012 |
| Base 3 | 11110213 | 11222213 |
| Base 4 | 1003334 | 1023314 |
| Base 5 | 133225 | 143235 |
| Base 6 | 50116 | 53416 |
| Base 7 | 31127 | 33527 |
| Base 8 | 20778 | 22758 |
| Base 9 | 14379 | 15879 |
| Base 10 | 108710 | 121310 |
| Base 11 | 8a911 | a0311 |
| Base 12 | 76712 | 85112 |
| Base 13 | 65813 | 72413 |
| Base 14 | 57914 | 62914 |
| Base 15 | 4c715 | 55d15 |
| Base 16 | 43f16 | 4bd16 |