Compare 1823 vs 1913
| Property | 1823 | 1913 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18231 | 19131 |
| Prime factorization | 1823 | 1913 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1823 | 1, 1913 |
| Number of properties | 6 | 9 |
| Chen primes | 181st | |
| Emirps | 93rd | |
| Isolated primes | 170th | 178th |
| Left-truncatable primes | 61st | |
| Long primes | 110th | 114th |
| Primes | 281st | 293rd |
| Pythagorean primes | 142nd | |
| Safe primes | 36th | |
| Sexy primes (2nd member) | 125th | |
| Sexy prime triplets (3rd member) | 49th | |
| Super primes | 60th | 62nd |
| Roman numberals | MDCCCXXIII | MCMXIII |
| Base 2 | 111000111112 | 111011110012 |
| Base 3 | 21111123 | 21212123 |
| Base 4 | 1301334 | 1313214 |
| Base 5 | 242435 | 301235 |
| Base 6 | 122356 | 125056 |
| Base 7 | 52137 | 54027 |
| Base 8 | 34378 | 35718 |
| Base 9 | 24459 | 25559 |
| Base 10 | 182310 | 191310 |
| Base 11 | 140811 | 148a11 |
| Base 12 | 107b12 | 113512 |
| Base 13 | aa313 | b4213 |
| Base 14 | 94314 | 9a914 |
| Base 15 | 81815 | 87815 |
| Base 16 | 71f16 | 77916 |