Compare 1823 vs 1979
| Property | 1823 | 1979 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18231 | 19791 |
| Prime factorization | 1823 | 1979 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1823 | 1, 1979 |
| Number of properties | 6 | 6 |
| Chen primes | 184th | |
| Emirps | 96th | |
| Isolated primes | 170th | 180th |
| Left-truncatable primes | 61st | |
| Long primes | 110th | 116th |
| Primes | 281st | 299th |
| Safe primes | 36th | |
| Sexy primes (2nd member) | 126th | |
| Super primes | 60th | |
| Roman numberals | MDCCCXXIII | MCMLXXIX |
| Base 2 | 111000111112 | 111101110112 |
| Base 3 | 21111123 | 22010223 |
| Base 4 | 1301334 | 1323234 |
| Base 5 | 242435 | 304045 |
| Base 6 | 122356 | 130556 |
| Base 7 | 52137 | 55257 |
| Base 8 | 34378 | 36738 |
| Base 9 | 24459 | 26389 |
| Base 10 | 182310 | 197910 |
| Base 11 | 140811 | 153a11 |
| Base 12 | 107b12 | 118b12 |
| Base 13 | aa313 | b9313 |
| Base 14 | 94314 | a1514 |
| Base 15 | 81815 | 8be15 |
| Base 16 | 71f16 | 7bb16 |