Compare 1801 vs 1933
| Property | 1801 | 1933 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18011 | 19331 |
| Prime factorization | 1801 | 1933 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1801 | 1, 1933 |
| Number of properties | 7 | 8 |
| Centered heptagonal primes | 8th | |
| Chen primes | 174th | |
| Cuban primes 1 | 13th | |
| Emirps | 94th | |
| Happy primes | 54th | |
| Harmonic primes | 99th | 109th |
| Isolated primes | 168th | |
| Lucky primes | 66th | 69th |
| Primes | 279th | 295th |
| Pythagorean primes | 136th | 143rd |
| Twin primes (2nd member) | 59th | |
| Roman numberals | MDCCCI | MCMXXXIII |
| Base 2 | 111000010012 | 111100011012 |
| Base 3 | 21102013 | 21221213 |
| Base 4 | 1300214 | 1320314 |
| Base 5 | 242015 | 302135 |
| Base 6 | 122016 | 125416 |
| Base 7 | 51527 | 54317 |
| Base 8 | 34118 | 36158 |
| Base 9 | 24219 | 25779 |
| Base 10 | 180110 | 193310 |
| Base 11 | 139811 | 14a811 |
| Base 12 | 106112 | 115112 |
| Base 13 | a8713 | b5913 |
| Base 14 | 92914 | 9c114 |
| Base 15 | 80115 | 88d15 |
| Base 16 | 70916 | 78d16 |