Compare 642739 vs 642779
| Property | 642739 | 642779 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6427391 | 6427791 |
| Prime factorization | 642739 | 642779 |
| Divisors count | 2 | 2 |
| Divisors | 1, 642739 | 1, 642779 |
| Number of properties | 4 | 3 |
| Additive primes | 20429th | |
| Chen primes | 20446th | |
| Isolated primes | 40966th | |
| Primes | 52269th | 52271st |
| Twin primes (2nd member) | 5653rd | |
| Ulam primes | 3833rd | |
| Roman numberals | ||
| Base 2 | 100111001110101100112 | 100111001110110110112 |
| Base 3 | 10121222000113 | 10121222011223 |
| Base 4 | 21303223034 | 21303231234 |
| Base 5 | 1310314245 | 1310321045 |
| Base 6 | 214353516 | 214354556 |
| Base 7 | 53146067 | 53146647 |
| Base 8 | 23472638 | 23473338 |
| Base 9 | 11786049 | 11786489 |
| Base 10 | 64273910 | 64277910 |
| Base 11 | 3a999911 | 3a9a2511 |
| Base 12 | 26bb5712 | 26bb8b12 |
| Base 13 | 19672613 | 19675713 |
| Base 14 | 12a33d14 | 12a36b14 |
| Base 15 | ca69415 | ca6be15 |
| Base 16 | 9ceb316 | 9cedb16 |