Use the form below to do your conversion.
Solution
Step1
Log209905=Log(9905) ÷ Log(20)
Log(9905)= 3.9958544798746
Log(20)=1.301029995664
Log209905=3.9958544798746 ÷ 1.301029995664
Ans=3.0713008102748
Step2
Alternatively, the logarithm can be calculated like this.