Compare 639713 vs 640631
| Property | 639713 | 640631 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6397131 | 6406311 |
| Prime factorization | 639713 | 640631 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639713 | 1, 640631 |
| Number of properties | 6 | 3 |
| Additive primes | 20342nd | |
| Isolated primes | 40798th | 40849th |
| Primes | 52057th | 52122nd |
| Sexy primes (1st member) | 11282nd | |
| Sophie germain primes | 5302nd | 5310th |
| Super primes | 5324th | |
| Roman numberals | ||
| Base 2 | 100111000010111000012 | 100111000110011101112 |
| Base 3 | 10121111120023 | 10121122100023 |
| Base 4 | 21300232014 | 21301213134 |
| Base 5 | 1304323235 | 1310000115 |
| Base 6 | 214133456 | 214215156 |
| Base 7 | 53030247 | 53055057 |
| Base 8 | 23413418 | 23431678 |
| Base 9 | 11744629 | 11757029 |
| Base 10 | 63971310 | 64063110 |
| Base 11 | 3a769811 | 3a835211 |
| Base 12 | 26a25512 | 26a89b12 |
| Base 13 | 19523913 | 19579413 |
| Base 14 | 1291bb14 | 12967514 |
| Base 15 | c982815 | c9c3b15 |
| Base 16 | 9c2e116 | 9c67716 |