Use the form below to do your conversion.
Solution
Step1
Log209721=Log(9721) ÷ Log(20)
Log(9721)= 3.9877109431303
Log(20)=1.301029995664
Log209721=3.9877109431303 ÷ 1.301029995664
Ans=3.0650415105112
Step2
Alternatively, the logarithm can be calculated like this.