Compare 639713 vs 640121
| Property | 639713 | 640121 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6397131 | 6401211 |
| Prime factorization | 639713 | 640121 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639713 | 1, 640121 |
| Number of properties | 6 | 4 |
| Additive primes | 20342nd | |
| Chen primes | 20382nd | |
| Isolated primes | 40798th | 40823rd |
| Primes | 52057th | 52086th |
| Sexy primes (1st member) | 11282nd | 11286th |
| Sophie germain primes | 5302nd | |
| Super primes | 5324th | |
| Roman numberals | ||
| Base 2 | 100111000010111000012 | 100111000100011110012 |
| Base 3 | 10121111120023 | 10121120020123 |
| Base 4 | 21300232014 | 21301013214 |
| Base 5 | 1304323235 | 1304404415 |
| Base 6 | 214133456 | 214153056 |
| Base 7 | 53030247 | 53041467 |
| Base 8 | 23413418 | 23421718 |
| Base 9 | 11744629 | 11750659 |
| Base 10 | 63971310 | 64012110 |
| Base 11 | 3a769811 | 3a7a2911 |
| Base 12 | 26a25512 | 26a53512 |
| Base 13 | 19523913 | 19549113 |
| Base 14 | 1291bb14 | 1293cd14 |
| Base 15 | c982815 | c99eb15 |
| Base 16 | 9c2e116 | 9c47916 |