Compare 638961 vs 638972
| Property | 638961 | 638972 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 4 |
| Prime factorization | 31 × 2129871 | 22 × 311 × 51531 |
| Prime factorization | 3 × 212987 | 2 × 2 × 31 × 5153 |
| Divisors count | 4 | 12 |
| Divisors | 1, 3, 212987, 638961 | 1, 2, 4, 31, 62, 124, 5153, 10306, 20612, 159743, 319486, 638972 |
| Number of properties | 1 | 0 |
| Semiprimes | 136919th | |
| Roman numberals | ||
| Base 2 | 100110111111111100012 | 100110111111111111002 |
| Base 3 | 10121101110203 | 10121101111223 |
| Base 4 | 21233333014 | 21233333304 |
| Base 5 | 1304213215 | 1304213425 |
| Base 6 | 214100536 | 214101126 |
| Base 7 | 53006017 | 53006157 |
| Base 8 | 23377618 | 23377748 |
| Base 9 | 11734369 | 11734489 |
| Base 10 | 63896110 | 63897210 |
| Base 11 | 3a707411 | 3a708411 |
| Base 12 | 26992912 | 26993812 |
| Base 13 | 194aab13 | 194ab913 |
| Base 14 | 128c0114 | 128c0c14 |
| Base 15 | c94c615 | c94d215 |
| Base 16 | 9bff116 | 9bffc16 |