Compare 640139 vs 640463
| Property | 640139 | 640463 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6401391 | 6404631 |
| Prime factorization | 640139 | 640463 |
| Divisors count | 2 | 2 |
| Divisors | 1, 640139 | 1, 640463 |
| Number of properties | 4 | 4 |
| Additive primes | 20356th | 20366th |
| Chen primes | 20383rd | |
| Isolated primes | 40825th | 40840th |
| Primes | 52088th | 52111th |
| Sexy primes (2nd member) | 11290th | |
| Roman numberals | ||
| Base 2 | 100111000100100010112 | 100111000101110011112 |
| Base 3 | 10121120022123 | 10121121122123 |
| Base 4 | 21301020234 | 21301130334 |
| Base 5 | 1304410245 | 1304433235 |
| Base 6 | 214153356 | 214210356 |
| Base 7 | 53042037 | 53051457 |
| Base 8 | 23422138 | 23427178 |
| Base 9 | 11750859 | 11754859 |
| Base 10 | 64013910 | 64046310 |
| Base 11 | 3a7a4511 | 3a820a11 |
| Base 12 | 26a54b12 | 26a77b12 |
| Base 13 | 1954a613 | 19569513 |
| Base 14 | 12940314 | 12959514 |
| Base 15 | c9a0e15 | c9b7815 |
| Base 16 | 9c48b16 | 9c5cf16 |