Use the form below to do your conversion.
Solution
Step1
Log218161=Log(8161) ÷ Log(21)
Log(8161)= 3.9117433778559
Log(21)=1.3222192947339
Log218161=3.9117433778559 ÷ 1.3222192947339
Ans=2.9584679284559
Step2
Alternatively, the logarithm can be calculated like this.