Use the form below to do your conversion.
Solution
Step1
Log206391=Log(6391) ÷ Log(20)
Log(6391)= 3.8055688175486
Log(20)=1.301029995664
Log206391=3.8055688175486 ÷ 1.301029995664
Ans=2.9250431044877
Step2
Alternatively, the logarithm can be calculated like this.