Use the form below to do your conversion.
Solution
Step1
Log209971=Log(9971) ÷ Log(20)
Log(9971)= 3.9987387162558
Log(20)=1.301029995664
Log209971=3.9987387162558 ÷ 1.301029995664
Ans=3.0735176971958
Step2
Alternatively, the logarithm can be calculated like this.