Use the form below to do your conversion.
Solution
Step1
Log139139=Log(9139) ÷ Log(13)
Log(9139)= 3.9608986773267
Log(13)=1.1139433523068
Log139139=3.9608986773267 ÷ 1.1139433523068
Ans=3.5557451544768
Step2
Alternatively, the logarithm can be calculated like this.