Compare 639631 vs 639689
| Property | 639631 | 639689 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6396311 | 6396891 |
| Prime factorization | 639631 | 639689 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639631 | 1, 639689 |
| Number of properties | 3 | 4 |
| Additive primes | 20341st | |
| Chen primes | 20364th | |
| Isolated primes | 40792nd | 40796th |
| Primes | 52047th | 52053rd |
| Sexy primes (1st member) | 11279th | |
| Roman numberals | ||
| Base 2 | 100111000010100011112 | 100111000010110010012 |
| Base 3 | 10121111020013 | 10121111110123 |
| Base 4 | 21300220334 | 21300230214 |
| Base 5 | 1304320115 | 1304322245 |
| Base 6 | 214131316 | 214133056 |
| Base 7 | 53025467 | 53026617 |
| Base 8 | 23412178 | 23413118 |
| Base 9 | 11743619 | 11744359 |
| Base 10 | 63963110 | 63968910 |
| Base 11 | 3a762311 | 3a767611 |
| Base 12 | 26a1a712 | 26a23512 |
| Base 13 | 1951a513 | 19521b13 |
| Base 14 | 12915d14 | 1291a114 |
| Base 15 | c97c115 | c980e15 |
| Base 16 | 9c28f16 | 9c2c916 |