Compare 1801 vs 2251
| Property | 1801 | 2251 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18011 | 22511 |
| Prime factorization | 1801 | 2251 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1801 | 1, 2251 |
| Number of properties | 7 | 6 |
| Chen primes | 174th | 204th |
| Cuban primes 1 | 13th | |
| Harmonic primes | 99th | 122nd |
| Isolated primes | 168th | 200th |
| Long primes | 130th | |
| Lucky primes | 66th | 76th |
| Primes | 279th | 335th |
| Pythagorean primes | 136th | |
| Roman numberals | MDCCCI | MMCCLI |
| Base 2 | 111000010012 | 1000110010112 |
| Base 3 | 21102013 | 100021013 |
| Base 4 | 1300214 | 2030234 |
| Base 5 | 242015 | 330015 |
| Base 6 | 122016 | 142316 |
| Base 7 | 51527 | 63647 |
| Base 8 | 34118 | 43138 |
| Base 9 | 24219 | 30719 |
| Base 10 | 180110 | 225110 |
| Base 11 | 139811 | 176711 |
| Base 12 | 106112 | 137712 |
| Base 13 | a8713 | 104213 |
| Base 14 | 92914 | b6b14 |
| Base 15 | 80115 | a0115 |
| Base 16 | 70916 | 8cb16 |