Compare 640109 vs 640279
| Property | 640109 | 640279 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6401091 | 6402791 |
| Prime factorization | 640109 | 640279 |
| Divisors count | 2 | 2 |
| Divisors | 1, 640109 | 1, 640279 |
| Number of properties | 3 | 2 |
| Chen primes | 20381st | |
| Isolated primes | 40822nd | 40831st |
| Primes | 52085th | 52102nd |
| Roman numberals | ||
| Base 2 | 100111000100011011012 | 100111000101000101112 |
| Base 3 | 10121120012023 | 10121120220013 |
| Base 4 | 21301012314 | 21301101134 |
| Base 5 | 1304404145 | 1304421045 |
| Base 6 | 214152456 | 214201316 |
| Base 7 | 53041317 | 53044637 |
| Base 8 | 23421558 | 23424278 |
| Base 9 | 11750529 | 11752619 |
| Base 10 | 64010910 | 64027910 |
| Base 11 | 3a7a1811 | 3a806211 |
| Base 12 | 26a52512 | 26a64712 |
| Base 13 | 19548213 | 19558313 |
| Base 14 | 1293c114 | 1294a314 |
| Base 15 | c99de15 | c9aa415 |
| Base 16 | 9c46d16 | 9c51716 |