Compare 639983 vs 639994
| Property | 639983 | 639994 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 6399831 | 21 × 711 × 45071 |
| Prime factorization | 639983 | 2 × 71 × 4507 |
| Divisors count | 2 | 8 |
| Divisors | 1, 639983 | 1, 2, 71, 142, 4507, 9014, 319997, 639994 |
| Number of properties | 4 | 0 |
| Chen primes | 20376th | |
| Happy primes | 7412th | |
| Isolated primes | 40812th | |
| Primes | 52073rd | |
| Roman numberals | ||
| Base 2 | 100111000011111011112 | 100111000011111110102 |
| Base 3 | 10121112200023 | 10121112201113 |
| Base 4 | 21300332334 | 21300333224 |
| Base 5 | 1304344135 | 1304344345 |
| Base 6 | 214145156 | 214145346 |
| Base 7 | 53035617 | 53036057 |
| Base 8 | 23417578 | 23417728 |
| Base 9 | 11748029 | 11748149 |
| Base 10 | 63998310 | 63999410 |
| Base 11 | 3a791311 | 3a792311 |
| Base 12 | 26a43b12 | 26a44a12 |
| Base 13 | 1953b613 | 1953c413 |
| Base 14 | 12933114 | 12933c14 |
| Base 15 | c995815 | c996415 |
| Base 16 | 9c3ef16 | 9c3fa16 |