Compare 640109 vs 640267
| Property | 640109 | 640267 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6401091 | 6402671 |
| Prime factorization | 640109 | 640267 |
| Divisors count | 2 | 2 |
| Divisors | 1, 640109 | 1, 640267 |
| Number of properties | 3 | 3 |
| Chen primes | 20381st | |
| Isolated primes | 40822nd | 40830th |
| Primes | 52085th | 52101st |
| Sexy primes (2nd member) | 11288th | |
| Roman numberals | ||
| Base 2 | 100111000100011011012 | 100111000101000010112 |
| Base 3 | 10121120012023 | 10121120211213 |
| Base 4 | 21301012314 | 21301100234 |
| Base 5 | 1304404145 | 1304420325 |
| Base 6 | 214152456 | 214201116 |
| Base 7 | 53041317 | 53044457 |
| Base 8 | 23421558 | 23424138 |
| Base 9 | 11750529 | 11752479 |
| Base 10 | 64010910 | 64026710 |
| Base 11 | 3a7a1811 | 3a805111 |
| Base 12 | 26a52512 | 26a63712 |
| Base 13 | 19548213 | 19557413 |
| Base 14 | 1293c114 | 12949514 |
| Base 15 | c99de15 | c9a9715 |
| Base 16 | 9c46d16 | 9c50b16 |