Use the form below to do your conversion.
Solution
Step1
Log21653=Log(653) ÷ Log(21)
Log(653)= 2.8149131812751
Log(21)=1.3222192947339
Log21653=2.8149131812751 ÷ 1.3222192947339
Ans=2.1289306490128
Step2
Alternatively, the logarithm can be calculated like this.