Compare 663281 vs 664271
| Property | 663281 | 664271 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6632811 | 6642711 |
| Prime factorization | 663281 | 664271 |
| Divisors count | 2 | 2 |
| Divisors | 1, 663281 | 1, 664271 |
| Number of properties | 3 | 3 |
| Chen primes | 21043rd | 21077th |
| Primes | 53812th | 53889th |
| Twin primes (1st member) | 5806th | 5818th |
| Roman numberals | ||
| Base 2 | 101000011110111100012 | 101000100010110011112 |
| Base 3 | 10202002112223 | 10202020121223 |
| Base 4 | 22013233014 | 22020230334 |
| Base 5 | 1322111115 | 1322240415 |
| Base 6 | 221144256 | 221231556 |
| Base 7 | 54315237 | 54344367 |
| Base 8 | 24173618 | 24213178 |
| Base 9 | 12207589 | 12221789 |
| Base 10 | 66328110 | 66427110 |
| Base 11 | 41337311 | 41409311 |
| Base 12 | 27ba1512 | 2804bb12 |
| Base 13 | 1a2b9813 | 1a347a13 |
| Base 14 | 133a1314 | 13411d14 |
| Base 15 | d17db15 | d1c4b15 |
| Base 16 | a1ef116 | a22cf16 |