Compare 640259 vs 642077
| Property | 640259 | 642077 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6402591 | 6420771 |
| Prime factorization | 640259 | 642077 |
| Divisors count | 2 | 2 |
| Divisors | 1, 640259 | 1, 642077 |
| Number of properties | 4 | 4 |
| Chen primes | 20389th | 20431st |
| Primes | 52099th | 52227th |
| Sexy primes (2nd member) | 11315th | |
| Sophie germain primes | 5308th | |
| Twin primes (1st member) | 5636th | 5648th |
| Roman numberals | ||
| Base 2 | 100111000101000000112 | 100111001100000111012 |
| Base 3 | 10121120210223 | 10121212021223 |
| Base 4 | 21301100034 | 21303001314 |
| Base 5 | 1304420145 | 1310213025 |
| Base 6 | 214200556 | 214323256 |
| Base 7 | 53044347 | 53126427 |
| Base 8 | 23424038 | 23460358 |
| Base 9 | 11752389 | 11776789 |
| Base 10 | 64025910 | 64207710 |
| Base 11 | 3a804411 | 3a944711 |
| Base 12 | 26a62b12 | 26b6a512 |
| Base 13 | 19556913 | 19633713 |
| Base 14 | 12948b14 | 129dc914 |
| Base 15 | c9a8e15 | ca3a215 |
| Base 16 | 9c50316 | 9cc1d16 |