Compare 1801 vs 1801
| Property | 1801 | 1801 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18011 | 18011 |
| Prime factorization | 1801 | 1801 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1801 | 1, 1801 |
| Number of properties | 7 | 7 |
| Chen primes | 174th | 174th |
| Cuban primes 1 | 13th | 13th |
| Harmonic primes | 99th | 99th |
| Isolated primes | 168th | 168th |
| Lucky primes | 66th | 66th |
| Primes | 279th | 279th |
| Pythagorean primes | 136th | 136th |
| Roman numberals | MDCCCI | MDCCCI |
| Base 2 | 111000010012 | 111000010012 |
| Base 3 | 21102013 | 21102013 |
| Base 4 | 1300214 | 1300214 |
| Base 5 | 242015 | 242015 |
| Base 6 | 122016 | 122016 |
| Base 7 | 51527 | 51527 |
| Base 8 | 34118 | 34118 |
| Base 9 | 24219 | 24219 |
| Base 10 | 180110 | 180110 |
| Base 11 | 139811 | 139811 |
| Base 12 | 106112 | 106112 |
| Base 13 | a8713 | a8713 |
| Base 14 | 92914 | 92914 |
| Base 15 | 80115 | 80115 |
| Base 16 | 70916 | 70916 |