Compare 642729 vs 642742
| Property | 642729 | 642742 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 2142431 | 21 × 3213711 |
| Prime factorization | 3 × 214243 | 2 × 321371 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 214243, 642729 | 1, 2, 321371, 642742 |
| Number of properties | 1 | 1 |
| Semiprimes | 137720th | 137722nd |
| Roman numberals | ||
| Base 2 | 100111001110101010012 | 100111001110101101102 |
| Base 3 | 10121221222103 | 10121222000213 |
| Base 4 | 21303222214 | 21303223124 |
| Base 5 | 1310314045 | 1310314325 |
| Base 6 | 214353336 | 214353546 |
| Base 7 | 53145637 | 53146127 |
| Base 8 | 23472518 | 23472668 |
| Base 9 | 11785839 | 11786079 |
| Base 10 | 64272910 | 64274210 |
| Base 11 | 3a998a11 | 3a99a111 |
| Base 12 | 26bb4912 | 26bb5a12 |
| Base 13 | 19671913 | 19672913 |
| Base 14 | 12a33314 | 12a34214 |
| Base 15 | ca68915 | ca69715 |
| Base 16 | 9cea916 | 9ceb616 |