Compare 1823 vs 1973
| Property | 1823 | 1973 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18231 | 19731 |
| Prime factorization | 1823 | 1973 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1823 | 1, 1973 |
| Number of properties | 6 | 7 |
| Good primes | 61st | |
| Harmonic primes | 111th | |
| Isolated primes | 170th | 179th |
| Left-truncatable primes | 61st | |
| Long primes | 110th | |
| Primes | 281st | 298th |
| Pythagorean primes | 145th | |
| Safe primes | 36th | |
| Sexy primes (1st member) | 126th | |
| Sophie germain primes | 60th | |
| Super primes | 60th | |
| Roman numberals | MDCCCXXIII | MCMLXXIII |
| Base 2 | 111000111112 | 111101101012 |
| Base 3 | 21111123 | 22010023 |
| Base 4 | 1301334 | 1323114 |
| Base 5 | 242435 | 303435 |
| Base 6 | 122356 | 130456 |
| Base 7 | 52137 | 55167 |
| Base 8 | 34378 | 36658 |
| Base 9 | 24459 | 26329 |
| Base 10 | 182310 | 197310 |
| Base 11 | 140811 | 153411 |
| Base 12 | 107b12 | 118512 |
| Base 13 | aa313 | b8a13 |
| Base 14 | 94314 | a0d14 |
| Base 15 | 81815 | 8b815 |
| Base 16 | 71f16 | 7b516 |