Compare 639941 vs 639983
| Property | 639941 | 639983 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6399411 | 6399831 |
| Prime factorization | 639941 | 639983 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639941 | 1, 639983 |
| Number of properties | 4 | 4 |
| Chen primes | 20374th | 20376th |
| Cousin primes (2nd member) | 5631st | |
| Happy primes | 7412th | |
| Isolated primes | 40809th | 40812th |
| Primes | 52070th | 52073rd |
| Roman numberals | ||
| Base 2 | 100111000011110001012 | 100111000011111011112 |
| Base 3 | 10121112111123 | 10121112200023 |
| Base 4 | 21300330114 | 21300332334 |
| Base 5 | 1304342315 | 1304344135 |
| Base 6 | 214144056 | 214145156 |
| Base 7 | 53035017 | 53035617 |
| Base 8 | 23417058 | 23417578 |
| Base 9 | 11747459 | 11748029 |
| Base 10 | 63994110 | 63998310 |
| Base 11 | 3a788511 | 3a791311 |
| Base 12 | 26a40512 | 26a43b12 |
| Base 13 | 19538313 | 1953b613 |
| Base 14 | 12930114 | 12933114 |
| Base 15 | c992b15 | c995815 |
| Base 16 | 9c3c516 | 9c3ef16 |