Compare 639974 vs 639979
| Property | 639974 | 639979 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 21 × 4331 × 7391 | 791 × 81011 |
| Prime factorization | 2 × 433 × 739 | 79 × 8101 |
| Divisors count | 8 | 4 |
| Divisors | 1, 2, 433, 739, 866, 1478, 319987, 639974 | 1, 79, 8101, 639979 |
| Number of properties | 0 | 1 |
| Semiprimes | 137142nd | |
| Roman numberals | ||
| Base 2 | 100111000011111001102 | 100111000011111010112 |
| Base 3 | 10121112122023 | 10121112122213 |
| Base 4 | 21300332124 | 21300332234 |
| Base 5 | 1304343445 | 1304344045 |
| Base 6 | 214145026 | 214145116 |
| Base 7 | 53035467 | 53035547 |
| Base 8 | 23417468 | 23417538 |
| Base 9 | 11747829 | 11747879 |
| Base 10 | 63997410 | 63997910 |
| Base 11 | 3a790511 | 3a790a11 |
| Base 12 | 26a43212 | 26a43712 |
| Base 13 | 1953aa13 | 1953b213 |
| Base 14 | 12932614 | 12932b14 |
| Base 15 | c994e15 | c995415 |
| Base 16 | 9c3e616 | 9c3eb16 |