Compare 1801 vs 1973
| Property | 1801 | 1973 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 18011 | 19731 |
| Prime factorization | 1801 | 1973 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1801 | 1, 1973 |
| Number of properties | 7 | 7 |
| Chen primes | 174th | |
| Cuban primes 1 | 13th | |
| Good primes | 61st | |
| Harmonic primes | 99th | 111th |
| Isolated primes | 168th | 179th |
| Lucky primes | 66th | |
| Primes | 279th | 298th |
| Pythagorean primes | 136th | 145th |
| Sexy primes (1st member) | 126th | |
| Sophie germain primes | 60th | |
| Roman numberals | MDCCCI | MCMLXXIII |
| Base 2 | 111000010012 | 111101101012 |
| Base 3 | 21102013 | 22010023 |
| Base 4 | 1300214 | 1323114 |
| Base 5 | 242015 | 303435 |
| Base 6 | 122016 | 130456 |
| Base 7 | 51527 | 55167 |
| Base 8 | 34118 | 36658 |
| Base 9 | 24219 | 26329 |
| Base 10 | 180110 | 197310 |
| Base 11 | 139811 | 153411 |
| Base 12 | 106112 | 118512 |
| Base 13 | a8713 | b8a13 |
| Base 14 | 92914 | a0d14 |
| Base 15 | 80115 | 8b815 |
| Base 16 | 70916 | 7b516 |