Compare 639983 vs 641129
| Property | 639983 | 641129 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 6399831 | 6411291 |
| Prime factorization | 639983 | 641129 |
| Divisors count | 2 | 2 |
| Divisors | 1, 639983 | 1, 641129 |
| Number of properties | 4 | 5 |
| Additive primes | 20386th | |
| Chen primes | 20376th | 20408th |
| Happy primes | 7412th | 7422nd |
| Isolated primes | 40812th | |
| Primes | 52073rd | 52159th |
| Twin primes (1st member) | 5639th | |
| Roman numberals | ||
| Base 2 | 100111000011111011112 | 100111001000011010012 |
| Base 3 | 10121112200023 | 10121201101123 |
| Base 4 | 21300332334 | 21302012214 |
| Base 5 | 1304344135 | 1310040045 |
| Base 6 | 214145156 | 214241056 |
| Base 7 | 53035617 | 53101167 |
| Base 8 | 23417578 | 23441518 |
| Base 9 | 11748029 | 11764159 |
| Base 10 | 63998310 | 64112910 |
| Base 11 | 3a791311 | 3a876511 |
| Base 12 | 26a43b12 | 26b03512 |
| Base 13 | 1953b613 | 195a8813 |
| Base 14 | 12933114 | 12990d14 |
| Base 15 | c995815 | c9e6e15 |
| Base 16 | 9c3ef16 | 9c86916 |