Compare 640069 vs 640109
| Property | 640069 | 640109 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6400691 | 6401091 |
| Prime factorization | 640069 | 640109 |
| Divisors count | 2 | 2 |
| Divisors | 1, 640069 | 1, 640109 |
| Number of properties | 2 | 3 |
| Chen primes | 20381st | |
| Isolated primes | 40820th | 40822nd |
| Primes | 52083rd | 52085th |
| Roman numberals | ||
| Base 2 | 100111000100010001012 | 100111000100011011012 |
| Base 3 | 10121120000213 | 10121120012023 |
| Base 4 | 21301010114 | 21301012314 |
| Base 5 | 1304402345 | 1304404145 |
| Base 6 | 214151416 | 214152456 |
| Base 7 | 53040437 | 53041317 |
| Base 8 | 23421058 | 23421558 |
| Base 9 | 11750079 | 11750529 |
| Base 10 | 64006910 | 64010910 |
| Base 11 | 3a799111 | 3a7a1811 |
| Base 12 | 26a4b112 | 26a52512 |
| Base 13 | 19545113 | 19548213 |
| Base 14 | 12939314 | 1293c114 |
| Base 15 | c99b415 | c99de15 |
| Base 16 | 9c44516 | 9c46d16 |