Compare 638081 vs 639907
| Property | 638081 | 639907 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6380811 | 6399071 |
| Prime factorization | 638081 | 639907 |
| Divisors count | 2 | 2 |
| Divisors | 1, 638081 | 1, 639907 |
| Number of properties | 3 | 5 |
| Cousin primes (1st member) | 5630th | |
| Good primes | 1985th | |
| Isolated primes | 40708th | 40806th |
| Primes | 51949th | 52067th |
| Super primes | 5315th | 5325th |
| Roman numberals | ||
| Base 2 | 100110111100100000012 | 100111000011101000112 |
| Base 3 | 10121020211223 | 10121112100213 |
| Base 4 | 21233020014 | 21300322034 |
| Base 5 | 1304043115 | 1304341125 |
| Base 6 | 214020256 | 214143116 |
| Base 7 | 52652037 | 53034227 |
| Base 8 | 23362018 | 23416438 |
| Base 9 | 11722489 | 11747079 |
| Base 10 | 63808110 | 63990710 |
| Base 11 | 3a644411 | 3a785411 |
| Base 12 | 26931512 | 26a39712 |
| Base 13 | 19458213 | 19535813 |
| Base 14 | 12877314 | 1292b914 |
| Base 15 | c90db15 | c990715 |
| Base 16 | 9bc8116 | 9c3a316 |