Compare 639713 vs 640621
| Property | 639713 | 640621 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6397131 | 6406211 |
| Prime factorization | 639713 | 640621 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639713 | 1, 640621 |
| Number of properties | 6 | 4 |
| Additive primes | 20342nd | 20369th |
| Isolated primes | 40798th | 40848th |
| Primes | 52057th | 52121st |
| Sexy primes (1st member) | 11282nd | |
| Sophie germain primes | 5302nd | |
| Super primes | 5324th | 5329th |
| Roman numberals | ||
| Base 2 | 100111000010111000012 | 100111000110011011012 |
| Base 3 | 10121111120023 | 10121122022013 |
| Base 4 | 21300232014 | 21301212314 |
| Base 5 | 1304323235 | 1304444415 |
| Base 6 | 214133456 | 214215016 |
| Base 7 | 53030247 | 53054627 |
| Base 8 | 23413418 | 23431558 |
| Base 9 | 11744629 | 11756819 |
| Base 10 | 63971310 | 64062110 |
| Base 11 | 3a769811 | 3a834311 |
| Base 12 | 26a25512 | 26a89112 |
| Base 13 | 19523913 | 19578713 |
| Base 14 | 1291bb14 | 12966914 |
| Base 15 | c982815 | c9c3115 |
| Base 16 | 9c2e116 | 9c66d16 |