Compare 640039 vs 641863
| Property | 640039 | 641863 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6400391 | 6418631 |
| Prime factorization | 640039 | 641863 |
| Divisors count | 2 | 2 |
| Divisors | 1, 640039 | 1, 641863 |
| Number of properties | 4 | 3 |
| Cousin primes (1st member) | 5632nd | 5642nd |
| Isolated primes | 40816th | 40920th |
| Lucky primes | 5979th | |
| Primes | 52079th | 52211th |
| Roman numberals | ||
| Base 2 | 100111000100001001112 | 100111001011010001112 |
| Base 3 | 10121112220113 | 10121211102013 |
| Base 4 | 21301002134 | 21302310134 |
| Base 5 | 1304401245 | 1310144235 |
| Base 6 | 214150516 | 214313316 |
| Base 7 | 53040017 | 53122157 |
| Base 8 | 23420478 | 23455078 |
| Base 9 | 11748649 | 11774219 |
| Base 10 | 64003910 | 64186310 |
| Base 11 | 3a796411 | 3a927211 |
| Base 12 | 26a48712 | 26b54712 |
| Base 13 | 19542a13 | 19620113 |
| Base 14 | 12937114 | 129cb514 |
| Base 15 | c999415 | ca2ad15 |
| Base 16 | 9c42716 | 9cb4716 |