Compare 663881 vs 664009
| Property | 663881 | 664009 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6638811 | 6640091 |
| Prime factorization | 663881 | 664009 |
| Divisors count | 2 | 2 |
| Divisors | 1, 663881 | 1, 664009 |
| Number of properties | 3 | 2 |
| Chen primes | 21064th | |
| Isolated primes | 42229th | 42238th |
| Primes | 53856th | 53869th |
| Roman numberals | ||
| Base 2 | 101000100001010010012 | 101000100001110010012 |
| Base 3 | 10202012000123 | 10202012112213 |
| Base 4 | 22020110214 | 22020130214 |
| Base 5 | 1322210115 | 1322220145 |
| Base 6 | 221213056 | 221220416 |
| Base 7 | 54333417 | 54336137 |
| Base 8 | 24205118 | 24207118 |
| Base 9 | 12216059 | 12217579 |
| Base 10 | 66388110 | 66400910 |
| Base 11 | 41386911 | 41397511 |
| Base 12 | 28023512 | 28032112 |
| Base 13 | 1a323a13 | 1a330813 |
| Base 14 | 133d2114 | 133db314 |
| Base 15 | d1a8b15 | d1b2415 |
| Base 16 | a214916 | a21c916 |