Use the form below to do your conversion.
Solution
Step1
Log139857=Log(9857) ÷ Log(13)
Log(9857)= 3.9937447565545
Log(13)=1.1139433523068
Log139857=3.9937447565545 ÷ 1.1139433523068
Ans=3.5852314646736
Step2
Alternatively, the logarithm can be calculated like this.