Compare 1217 vs 1381
| Property | 1217 | 1381 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12171 | 13811 |
| Prime factorization | 1217 | 1381 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1217 | 1, 1381 |
| Number of properties | 12 | 7 |
| Additive primes | 107th | 122nd |
| Chen primes | 131st | 144th |
| Cousin primes (2nd member) | 45th | |
| Emirps | 53rd | 64th |
| Isolated primes | 118th | 130th |
| Long primes | 76th | 86th |
| Primes | 199th | 221st |
| Proth primes | 19th | |
| Pythagorean primes | 98th | 109th |
| Sexy primes (1st member) | 86th | |
| Sexy prime triplets (1st member) | 33rd | |
| Super primes | 46th | |
| Roman numberals | MCCXVII | MCCCLXXXI |
| Base 2 | 100110000012 | 101011001012 |
| Base 3 | 12000023 | 12200113 |
| Base 4 | 1030014 | 1112114 |
| Base 5 | 143325 | 210115 |
| Base 6 | 53456 | 102216 |
| Base 7 | 33567 | 40127 |
| Base 8 | 23018 | 25458 |
| Base 9 | 16029 | 18049 |
| Base 10 | 121710 | 138110 |
| Base 11 | a0711 | 104611 |
| Base 12 | 85512 | 97112 |
| Base 13 | 72813 | 82313 |
| Base 14 | 62d14 | 70914 |
| Base 15 | 56215 | 62115 |
| Base 16 | 4c116 | 56516 |