Compare 1801 vs 4447
| Property | 1801 | 4447 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18011 | 44471 |
| Prime factorization | 1801 | 4447 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1801 | 1, 4447 |
| Number of properties | 7 | 10 |
| Additive primes | 312th | |
| Chen primes | 174th | 349th |
| Cousin primes (1st member) | 112th | |
| Cuban primes 1 | 13th | 21st |
| Good primes | 101st | |
| Happy primes | 110th | |
| Harmonic primes | 99th | |
| Isolated primes | 168th | 373rd |
| Long primes | 242nd | |
| Lucky primes | 66th | |
| Primes | 279th | 604th |
| Pythagorean primes | 136th | |
| Sexy primes (2nd member) | 218th | |
| Roman numberals | MDCCCI | MMMMCDXLVII |
| Base 2 | 111000010012 | 10001010111112 |
| Base 3 | 21102013 | 200022013 |
| Base 4 | 1300214 | 10111334 |
| Base 5 | 242015 | 1202425 |
| Base 6 | 122016 | 323316 |
| Base 7 | 51527 | 156527 |
| Base 8 | 34118 | 105378 |
| Base 9 | 24219 | 60819 |
| Base 10 | 180110 | 444710 |
| Base 11 | 139811 | 338311 |
| Base 12 | 106112 | 26a712 |
| Base 13 | a8713 | 204113 |
| Base 14 | 92914 | 189914 |
| Base 15 | 80115 | 14b715 |
| Base 16 | 70916 | 115f16 |