Compare 640039 vs 640109
| Property | 640039 | 640109 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6400391 | 6401091 |
| Prime factorization | 640039 | 640109 |
| Divisors count | 2 | 2 |
| Divisors | 1, 640039 | 1, 640109 |
| Number of properties | 4 | 3 |
| Chen primes | 20381st | |
| Cousin primes (1st member) | 5632nd | |
| Isolated primes | 40816th | 40822nd |
| Lucky primes | 5979th | |
| Primes | 52079th | 52085th |
| Roman numberals | ||
| Base 2 | 100111000100001001112 | 100111000100011011012 |
| Base 3 | 10121112220113 | 10121120012023 |
| Base 4 | 21301002134 | 21301012314 |
| Base 5 | 1304401245 | 1304404145 |
| Base 6 | 214150516 | 214152456 |
| Base 7 | 53040017 | 53041317 |
| Base 8 | 23420478 | 23421558 |
| Base 9 | 11748649 | 11750529 |
| Base 10 | 64003910 | 64010910 |
| Base 11 | 3a796411 | 3a7a1811 |
| Base 12 | 26a48712 | 26a52512 |
| Base 13 | 19542a13 | 19548213 |
| Base 14 | 12937114 | 1293c114 |
| Base 15 | c999415 | c99de15 |
| Base 16 | 9c42716 | 9c46d16 |