Use the form below to do your conversion.
Solution
Step1
Log20131=Log(131) ÷ Log(20)
Log(131)= 2.1172712956558
Log(20)=1.301029995664
Log20131=2.1172712956558 ÷ 1.301029995664
Ans=1.6273808464925
Step2
Alternatively, the logarithm can be calculated like this.