Use the form below to do your conversion.
Solution
Step1
Log209907=Log(9907) ÷ Log(20)
Log(9907)= 3.9959421629926
Log(20)=1.301029995664
Log209907=3.9959421629926 ÷ 1.301029995664
Ans=3.0713682054296
Step2
Alternatively, the logarithm can be calculated like this.