Compare 639689 vs 639997
| Property | 639689 | 639997 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6396891 | 6399971 |
| Prime factorization | 639689 | 639997 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639689 | 1, 639997 |
| Number of properties | 4 | 4 |
| Additive primes | 20341st | 20349th |
| Chen primes | 20364th | |
| Isolated primes | 40796th | 40813th |
| Lucky primes | 5977th | |
| Primes | 52053rd | 52074th |
| Roman numberals | ||
| Base 2 | 100111000010110010012 | 100111000011111111012 |
| Base 3 | 10121111110123 | 10121112201213 |
| Base 4 | 21300230214 | 21300333314 |
| Base 5 | 1304322245 | 1304344425 |
| Base 6 | 214133056 | 214145416 |
| Base 7 | 53026617 | 53036117 |
| Base 8 | 23413118 | 23417758 |
| Base 9 | 11744359 | 11748179 |
| Base 10 | 63968910 | 63999710 |
| Base 11 | 3a767611 | 3a792611 |
| Base 12 | 26a23512 | 26a45112 |
| Base 13 | 19521b13 | 1953c713 |
| Base 14 | 1291a114 | 12934114 |
| Base 15 | c980e15 | c996715 |
| Base 16 | 9c2c916 | 9c3fd16 |