Compare 639451 vs 640039
| Property | 639451 | 640039 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6394511 | 6400391 |
| Prime factorization | 639451 | 640039 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639451 | 1, 640039 |
| Number of properties | 3 | 4 |
| Cousin primes (1st member) | 5632nd | |
| Isolated primes | 40782nd | 40816th |
| Lucky primes | 5973rd | 5979th |
| Primes | 52033rd | 52079th |
| Roman numberals | ||
| Base 2 | 100111000001110110112 | 100111000100001001112 |
| Base 3 | 10121110111013 | 10121112220113 |
| Base 4 | 21300131234 | 21301002134 |
| Base 5 | 1304303015 | 1304401245 |
| Base 6 | 214122316 | 214150516 |
| Base 7 | 53022017 | 53040017 |
| Base 8 | 23407338 | 23420478 |
| Base 9 | 11741419 | 11748649 |
| Base 10 | 63945110 | 64003910 |
| Base 11 | 3a747a11 | 3a796411 |
| Base 12 | 26a07712 | 26a48712 |
| Base 13 | 19509713 | 19542a13 |
| Base 14 | 12907114 | 12937114 |
| Base 15 | c970115 | c999415 |
| Base 16 | 9c1db16 | 9c42716 |