Compare 1223 vs 1823
| Property | 1223 | 1823 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 12231 | 18231 |
| Prime factorization | 1223 | 1823 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1223 | 1, 1823 |
| Number of properties | 10 | 6 |
| Emirps | 54th | |
| Harmonic primes | 70th | |
| Isolated primes | 119th | 170th |
| Left-truncatable primes | 55th | 61st |
| Long primes | 77th | 110th |
| Primes | 200th | 281st |
| Safe primes | 36th | |
| Sexy primes (1st member) | 87th | |
| Sexy primes (2nd member) | 86th | |
| Sexy prime triplets (2nd member) | 33rd | |
| Sophie germain primes | 43rd | |
| Super primes | 60th | |
| Roman numberals | MCCXXIII | MDCCCXXIII |
| Base 2 | 100110001112 | 111000111112 |
| Base 3 | 12000223 | 21111123 |
| Base 4 | 1030134 | 1301334 |
| Base 5 | 143435 | 242435 |
| Base 6 | 53556 | 122356 |
| Base 7 | 33657 | 52137 |
| Base 8 | 23078 | 34378 |
| Base 9 | 16089 | 24459 |
| Base 10 | 122310 | 182310 |
| Base 11 | a1211 | 140811 |
| Base 12 | 85b12 | 107b12 |
| Base 13 | 73113 | aa313 |
| Base 14 | 63514 | 94314 |
| Base 15 | 56815 | 81815 |
| Base 16 | 4c716 | 71f16 |