Compare 664381 vs 664385
| Property | 664381 | 664385 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6643811 | 51 × 891 × 14931 |
| Prime factorization | 664381 | 5 × 89 × 1493 |
| Divisors count | 2 | 8 |
| Divisors | 1, 664381 | 1, 5, 89, 445, 1493, 7465, 132877, 664385 |
| Number of properties | 4 | 0 |
| Chen primes | 21083rd | |
| Primes | 53897th | |
| Super primes | 5491st | |
| Twin primes (2nd member) | 5819th | |
| Roman numberals | ||
| Base 2 | 101000100011001111012 | 101000100011010000012 |
| Base 3 | 10202021002013 | 10202021002123 |
| Base 4 | 22020303314 | 22020310014 |
| Base 5 | 1322300115 | 1322300205 |
| Base 6 | 221235016 | 221235056 |
| Base 7 | 54346547 | 54346617 |
| Base 8 | 24214758 | 24215018 |
| Base 9 | 12223219 | 12223259 |
| Base 10 | 66438110 | 66438510 |
| Base 11 | 41418311 | 41418711 |
| Base 12 | 28059112 | 28059512 |
| Base 13 | 1a353313 | 1a353713 |
| Base 14 | 13419b14 | 1341a114 |
| Base 15 | d1cc115 | d1cc515 |
| Base 16 | a233d16 | a234116 |