Compare 639934 vs 639941
| Property | 639934 | 639941 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 3199671 | 6399411 |
| Prime factorization | 2 × 319967 | 639941 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 319967, 639934 | 1, 639941 |
| Number of properties | 1 | 4 |
| Chen primes | 20374th | |
| Cousin primes (2nd member) | 5631st | |
| Isolated primes | 40809th | |
| Primes | 52070th | |
| Semiprimes | 137132nd | |
| Roman numberals | ||
| Base 2 | 100111000011101111102 | 100111000011110001012 |
| Base 3 | 10121112110213 | 10121112111123 |
| Base 4 | 21300323324 | 21300330114 |
| Base 5 | 1304342145 | 1304342315 |
| Base 6 | 214143546 | 214144056 |
| Base 7 | 53034617 | 53035017 |
| Base 8 | 23416768 | 23417058 |
| Base 9 | 11747379 | 11747459 |
| Base 10 | 63993410 | 63994110 |
| Base 11 | 3a787911 | 3a788511 |
| Base 12 | 26a3ba12 | 26a40512 |
| Base 13 | 19537913 | 19538313 |
| Base 14 | 1292d814 | 12930114 |
| Base 15 | c992415 | c992b15 |
| Base 16 | 9c3be16 | 9c3c516 |