Compare 640019 vs 640163
| Property | 640019 | 640163 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6400191 | 6401631 |
| Prime factorization | 640019 | 640163 |
| Divisors count | 2 | 2 |
| Divisors | 1, 640019 | 1, 640163 |
| Number of properties | 4 | 4 |
| Chen primes | 20379th | 20385th |
| Isolated primes | 40814th | 40826th |
| Primes | 52077th | 52091st |
| Safe primes | 3016th | 3018th |
| Roman numberals | ||
| Base 2 | 100111000100000100112 | 100111000100101000112 |
| Base 3 | 10121112211023 | 10121120102023 |
| Base 4 | 21301001034 | 21301022034 |
| Base 5 | 1304400345 | 1304411235 |
| Base 6 | 214150156 | 214154156 |
| Base 7 | 53036427 | 53042367 |
| Base 8 | 23420238 | 23422438 |
| Base 9 | 11748429 | 11751229 |
| Base 10 | 64001910 | 64016310 |
| Base 11 | 3a794611 | 3a7a6711 |
| Base 12 | 26a46b12 | 26a56b12 |
| Base 13 | 19541313 | 1954c413 |
| Base 14 | 12935914 | 12941d14 |
| Base 15 | c997e15 | c9a2815 |
| Base 16 | 9c41316 | 9c4a316 |