Compare 638159 vs 640229
| Property | 638159 | 640229 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6381591 | 6402291 |
| Prime factorization | 638159 | 640229 |
| Divisors count | 2 | 2 |
| Divisors | 1, 638159 | 1, 640229 |
| Number of properties | 3 | 5 |
| Additive primes | 20361st | |
| Chen primes | 20328th | 20387th |
| Primes | 51953rd | 52095th |
| Sexy primes (2nd member) | 11287th | |
| Twin primes (1st member) | 5622nd | 5634th |
| Roman numberals | ||
| Base 2 | 100110111100110011112 | 100111000100111001012 |
| Base 3 | 10121021011123 | 10121120200123 |
| Base 4 | 21233030334 | 21301032114 |
| Base 5 | 1304101145 | 1304414045 |
| Base 6 | 214022356 | 214200056 |
| Base 7 | 52653447 | 53043627 |
| Base 8 | 23363178 | 23423458 |
| Base 9 | 11723459 | 11752059 |
| Base 10 | 63815910 | 64022910 |
| Base 11 | 3a650511 | 3a801711 |
| Base 12 | 26937b12 | 26a60512 |
| Base 13 | 19461213 | 19554513 |
| Base 14 | 1287cb14 | 12946914 |
| Base 15 | c913e15 | c9a6e15 |
| Base 16 | 9bccf16 | 9c4e516 |