Compare 640990 vs 640994
| Property | 640990 | 640994 |
|---|---|---|
| Type | composite number | composite number |
| Unique factors | 4 | 3 |
| Total factors | 4 | 3 |
| Prime factorization | 21 × 51 × 71 × 91571 | 21 × 411 × 78171 |
| Prime factorization | 2 × 5 × 7 × 9157 | 2 × 41 × 7817 |
| Divisors count | 16 | 8 |
| Divisors | 1, 2, 5, 7, 10, 14, 35, 70, 9157, 18314, 45785, 64099, 91570, 128198, 320495, 640990 | 1, 2, 41, 82, 7817, 15634, 320497, 640994 |
| Number of properties | 0 | 0 |
| Roman numberals | ||
| Base 2 | 100111000111110111102 | 100111000111111000102 |
| Base 3 | 10121200211013 | 10121200211123 |
| Base 4 | 21301331324 | 21301332024 |
| Base 5 | 1310024305 | 1310024345 |
| Base 6 | 214233146 | 214233226 |
| Base 7 | 53065307 | 53065347 |
| Base 8 | 23437368 | 23437428 |
| Base 9 | 11762419 | 11762459 |
| Base 10 | 64099010 | 64099410 |
| Base 11 | 3a864911 | 3a865211 |
| Base 12 | 26ab3a12 | 26ab4212 |
| Base 13 | 1959ac13 | 1959b313 |
| Base 14 | 12985014 | 12985414 |
| Base 15 | c9dca15 | c9dce15 |
| Base 16 | 9c7de16 | 9c7e216 |