Compare 639601 vs 640039
| Property | 639601 | 640039 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6396011 | 6400391 |
| Prime factorization | 639601 | 640039 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639601 | 1, 640039 |
| Number of properties | 3 | 4 |
| Cousin primes (1st member) | 5632nd | |
| Isolated primes | 40816th | |
| Lucky primes | 5975th | 5979th |
| Primes | 52046th | 52079th |
| Twin primes (2nd member) | 5628th | |
| Roman numberals | ||
| Base 2 | 100111000010011100012 | 100111000100001001112 |
| Base 3 | 10121111002213 | 10121112220113 |
| Base 4 | 21300213014 | 21301002134 |
| Base 5 | 1304314015 | 1304401245 |
| Base 6 | 214130416 | 214150516 |
| Base 7 | 53025047 | 53040017 |
| Base 8 | 23411618 | 23420478 |
| Base 9 | 11743279 | 11748649 |
| Base 10 | 63960110 | 64003910 |
| Base 11 | 3a75a611 | 3a796411 |
| Base 12 | 26a18112 | 26a48712 |
| Base 13 | 19518113 | 19542a13 |
| Base 14 | 12913b14 | 12937114 |
| Base 15 | c97a115 | c999415 |
| Base 16 | 9c27116 | 9c42716 |