Compare 642742 vs 642761
| Property | 642742 | 642761 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 21 × 3213711 | 71 × 918231 |
| Prime factorization | 2 × 321371 | 7 × 91823 |
| Divisors count | 4 | 4 |
| Divisors | 1, 2, 321371, 642742 | 1, 7, 91823, 642761 |
| Number of properties | 1 | 1 |
| Semiprimes | 137722nd | 137728th |
| Roman numberals | ||
| Base 2 | 100111001110101101102 | 100111001110110010012 |
| Base 3 | 10121222000213 | 10121222002223 |
| Base 4 | 21303223124 | 21303230214 |
| Base 5 | 1310314325 | 1310320215 |
| Base 6 | 214353546 | 214354256 |
| Base 7 | 53146127 | 53146407 |
| Base 8 | 23472668 | 23473118 |
| Base 9 | 11786079 | 11786289 |
| Base 10 | 64274210 | 64276110 |
| Base 11 | 3a99a111 | 3a9a0911 |
| Base 12 | 26bb5a12 | 26bb7512 |
| Base 13 | 19672913 | 19674213 |
| Base 14 | 12a34214 | 12a35714 |
| Base 15 | ca69715 | ca6ab15 |
| Base 16 | 9ceb616 | 9cec916 |