Compare 1823 vs 1993
| Property | 1823 | 1993 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18231 | 19931 |
| Prime factorization | 1823 | 1993 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1823 | 1, 1993 |
| Number of properties | 6 | 10 |
| Cousin primes (1st member) | 64th | |
| Good primes | 63rd | |
| Harmonic primes | 112th | |
| Isolated primes | 170th | 182nd |
| Left-truncatable primes | 61st | |
| Long primes | 110th | |
| Primes | 281st | 301st |
| Prime triplets (1st member) | 49th | |
| Pythagorean primes | 146th | |
| Safe primes | 36th | |
| Sexy primes (1st member) | 128th | |
| Sexy primes (2nd member) | 127th | |
| Sexy prime triplets (2nd member) | 50th | |
| Super primes | 60th | |
| Roman numberals | MDCCCXXIII | MCMXCIII |
| Base 2 | 111000111112 | 111110010012 |
| Base 3 | 21111123 | 22012113 |
| Base 4 | 1301334 | 1330214 |
| Base 5 | 242435 | 304335 |
| Base 6 | 122356 | 131216 |
| Base 7 | 52137 | 55457 |
| Base 8 | 34378 | 37118 |
| Base 9 | 24459 | 26549 |
| Base 10 | 182310 | 199310 |
| Base 11 | 140811 | 155211 |
| Base 12 | 107b12 | 11a112 |
| Base 13 | aa313 | ba413 |
| Base 14 | 94314 | a2514 |
| Base 15 | 81815 | 8cd15 |
| Base 16 | 71f16 | 7c916 |