Compare 1801 vs 1823
| Property | 1801 | 1823 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18011 | 18231 |
| Prime factorization | 1801 | 1823 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1801 | 1, 1823 |
| Number of properties | 7 | 6 |
| Chen primes | 174th | |
| Cuban primes 1 | 13th | |
| Harmonic primes | 99th | |
| Isolated primes | 168th | 170th |
| Left-truncatable primes | 61st | |
| Long primes | 110th | |
| Lucky primes | 66th | |
| Primes | 279th | 281st |
| Pythagorean primes | 136th | |
| Safe primes | 36th | |
| Super primes | 60th | |
| Roman numberals | MDCCCI | MDCCCXXIII |
| Base 2 | 111000010012 | 111000111112 |
| Base 3 | 21102013 | 21111123 |
| Base 4 | 1300214 | 1301334 |
| Base 5 | 242015 | 242435 |
| Base 6 | 122016 | 122356 |
| Base 7 | 51527 | 52137 |
| Base 8 | 34118 | 34378 |
| Base 9 | 24219 | 24459 |
| Base 10 | 180110 | 182310 |
| Base 11 | 139811 | 140811 |
| Base 12 | 106112 | 107b12 |
| Base 13 | a8713 | aa313 |
| Base 14 | 92914 | 94314 |
| Base 15 | 80115 | 81815 |
| Base 16 | 70916 | 71f16 |