Compare 639973 vs 639983
| Property | 639973 | 639983 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 591 × 108471 | 6399831 |
| Prime factorization | 59 × 10847 | 639983 |
| Divisors count | 4 | 2 |
| Divisors | 1, 59, 10847, 639973 | 1, 639983 |
| Number of properties | 1 | 4 |
| Chen primes | 20376th | |
| Happy primes | 7412th | |
| Isolated primes | 40812th | |
| Primes | 52073rd | |
| Semiprimes | 137141st | |
| Roman numberals | ||
| Base 2 | 100111000011111001012 | 100111000011111011112 |
| Base 3 | 10121112122013 | 10121112200023 |
| Base 4 | 21300332114 | 21300332334 |
| Base 5 | 1304343435 | 1304344135 |
| Base 6 | 214145016 | 214145156 |
| Base 7 | 53035457 | 53035617 |
| Base 8 | 23417458 | 23417578 |
| Base 9 | 11747819 | 11748029 |
| Base 10 | 63997310 | 63998310 |
| Base 11 | 3a790411 | 3a791311 |
| Base 12 | 26a43112 | 26a43b12 |
| Base 13 | 1953a913 | 1953b613 |
| Base 14 | 12932514 | 12933114 |
| Base 15 | c994d15 | c995815 |
| Base 16 | 9c3e516 | 9c3ef16 |