Compare 1789 vs 1823
| Property | 1789 | 1823 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 17891 | 18231 | 
| Prime factorization | 1789 | 1823 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 1789 | 1, 1823 | 
| Number of properties | 8 | 6 | 
| Emirps | 86th | |
| Isolated primes | 170th | |
| Left-truncatable primes | 61st | |
| Long primes | 108th | 110th | 
| Primes | 278th | 281st | 
| Prime triplets (3rd member) | 45th | |
| Pythagorean primes | 135th | |
| Safe primes | 36th | |
| Sexy primes (2nd member) | 119th | |
| Sexy prime triplets (3rd member) | 46th | |
| Super primes | 60th | |
| Twin primes (2nd member) | 56th | |
| Roman numberals | MDCCLXXXIX | MDCCCXXIII | 
| Base 2 | 110111111012 | 111000111112 | 
| Base 3 | 21100213 | 21111123 | 
| Base 4 | 1233314 | 1301334 | 
| Base 5 | 241245 | 242435 | 
| Base 6 | 121416 | 122356 | 
| Base 7 | 51347 | 52137 | 
| Base 8 | 33758 | 34378 | 
| Base 9 | 24079 | 24459 | 
| Base 10 | 178910 | 182310 | 
| Base 11 | 138711 | 140811 | 
| Base 12 | 105112 | 107b12 | 
| Base 13 | a7813 | aa313 | 
| Base 14 | 91b14 | 94314 | 
| Base 15 | 7e415 | 81815 | 
| Base 16 | 6fd16 | 71f16 |