Use the form below to do your conversion.
Solution
Step1
Log209931=Log(9931) ÷ Log(20)
Log(9931)= 3.9969929818907
Log(20)=1.301029995664
Log209931=3.9969929818907 ÷ 1.301029995664
Ans=3.0721758877287
Step2
Alternatively, the logarithm can be calculated like this.