Compare 1822 vs 1823
| Property | 1822 | 1823 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 9111 | 18231 |
| Prime factorization | 2 × 911 | 1823 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 911, 1822 | 1, 1823 |
| Number of properties | 1 | 6 |
| Isolated primes | 170th | |
| Left-truncatable primes | 61st | |
| Long primes | 110th | |
| Primes | 281st | |
| Safe primes | 36th | |
| Semiprimes | 525th | |
| Super primes | 60th | |
| Roman numberals | MDCCCXXII | MDCCCXXIII |
| Base 2 | 111000111102 | 111000111112 |
| Base 3 | 21111113 | 21111123 |
| Base 4 | 1301324 | 1301334 |
| Base 5 | 242425 | 242435 |
| Base 6 | 122346 | 122356 |
| Base 7 | 52127 | 52137 |
| Base 8 | 34368 | 34378 |
| Base 9 | 24449 | 24459 |
| Base 10 | 182210 | 182310 |
| Base 11 | 140711 | 140811 |
| Base 12 | 107a12 | 107b12 |
| Base 13 | aa213 | aa313 |
| Base 14 | 94214 | 94314 |
| Base 15 | 81715 | 81815 |
| Base 16 | 71e16 | 71f16 |