Compare 1223 vs 1559
| Property | 1223 | 1559 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12231 | 15591 |
| Prime factorization | 1223 | 1559 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1223 | 1, 1559 |
| Number of properties | 10 | 6 |
| Chen primes | 157th | |
| Emirps | 54th | 75th |
| Harmonic primes | 70th | |
| Isolated primes | 119th | 147th |
| Left-truncatable primes | 55th | |
| Long primes | 77th | |
| Primes | 200th | 246th |
| Sexy primes (1st member) | 87th | |
| Sexy primes (2nd member) | 86th | 107th |
| Sexy prime triplets (2nd member) | 33rd | |
| Sophie germain primes | 43rd | 52nd |
| Roman numberals | MCCXXIII | MDLIX |
| Base 2 | 100110001112 | 110000101112 |
| Base 3 | 12000223 | 20102023 |
| Base 4 | 1030134 | 1201134 |
| Base 5 | 143435 | 222145 |
| Base 6 | 53556 | 111156 |
| Base 7 | 33657 | 43557 |
| Base 8 | 23078 | 30278 |
| Base 9 | 16089 | 21229 |
| Base 10 | 122310 | 155910 |
| Base 11 | a1211 | 119811 |
| Base 12 | 85b12 | a9b12 |
| Base 13 | 73113 | 92c13 |
| Base 14 | 63514 | 7d514 |
| Base 15 | 56815 | 6de15 |
| Base 16 | 4c716 | 61716 |