Use the form below to do your conversion.
Solution
Step1
Log2013139=Log(13139) ÷ Log(20)
Log(13139)= 4.1185623126356
Log(20)=1.301029995664
Log2013139=4.1185623126356 ÷ 1.301029995664
Ans=3.1656167239509
Step2
Alternatively, the logarithm can be calculated like this.