Compare 639713 vs 640691
| Property | 639713 | 640691 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6397131 | 6406911 |
| Prime factorization | 639713 | 640691 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639713 | 1, 640691 |
| Number of properties | 6 | 5 |
| Additive primes | 20342nd | |
| Chen primes | 20397th | |
| Cousin primes (2nd member) | 5637th | |
| Isolated primes | 40798th | 40853rd |
| Primes | 52057th | 52128th |
| Sexy primes (1st member) | 11282nd | |
| Sophie germain primes | 5302nd | 5311th |
| Super primes | 5324th | |
| Roman numberals | ||
| Base 2 | 100111000010111000012 | 100111000110101100112 |
| Base 3 | 10121111120023 | 10121122120223 |
| Base 4 | 21300232014 | 21301223034 |
| Base 5 | 1304323235 | 1310002315 |
| Base 6 | 214133456 | 214220556 |
| Base 7 | 53030247 | 53056227 |
| Base 8 | 23413418 | 23432638 |
| Base 9 | 11744629 | 11757689 |
| Base 10 | 63971310 | 64069110 |
| Base 11 | 3a769811 | 3a83a711 |
| Base 12 | 26a25512 | 26a92b12 |
| Base 13 | 19523913 | 19580c13 |
| Base 14 | 1291bb14 | 1296b914 |
| Base 15 | c982815 | c9c7b15 |
| Base 16 | 9c2e116 | 9c6b316 |