Compare 1217 vs 1523
| Property | 1217 | 1523 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12171 | 15231 |
| Prime factorization | 1217 | 1523 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1217 | 1, 1523 |
| Number of properties | 12 | 7 |
| Additive primes | 107th | 131st |
| Chen primes | 131st | |
| Cousin primes (2nd member) | 45th | |
| Emirps | 53rd | 74th |
| Isolated primes | 118th | 142nd |
| Left-truncatable primes | 59th | |
| Long primes | 76th | |
| Primes | 199th | 241st |
| Proth primes | 19th | |
| Pythagorean primes | 98th | |
| Safe primes | 34th | |
| Sexy primes (1st member) | 86th | |
| Sexy prime triplets (1st member) | 33rd | |
| Super primes | 46th | 53rd |
| Roman numberals | MCCXVII | MDXXIII |
| Base 2 | 100110000012 | 101111100112 |
| Base 3 | 12000023 | 20021023 |
| Base 4 | 1030014 | 1133034 |
| Base 5 | 143325 | 220435 |
| Base 6 | 53456 | 110156 |
| Base 7 | 33567 | 43047 |
| Base 8 | 23018 | 27638 |
| Base 9 | 16029 | 20729 |
| Base 10 | 121710 | 152310 |
| Base 11 | a0711 | 116511 |
| Base 12 | 85512 | a6b12 |
| Base 13 | 72813 | 90213 |
| Base 14 | 62d14 | 7ab14 |
| Base 15 | 56215 | 6b815 |
| Base 16 | 4c116 | 5f316 |