Use the form below to do your conversion.
Solution
Step1
Log217243=Log(7243) ÷ Log(21)
Log(7243)= 3.8599184852007
Log(21)=1.3222192947339
Log217243=3.8599184852007 ÷ 1.3222192947339
Ans=2.9192725447086
Step2
Alternatively, the logarithm can be calculated like this.