Use the form below to do your conversion.
Solution
Step1
Log20397=Log(397) ÷ Log(20)
Log(397)= 2.5987905067631
Log(20)=1.301029995664
Log20397=2.5987905067631 ÷ 1.301029995664
Ans=1.9974870029317
Step2
Alternatively, the logarithm can be calculated like this.