Use the form below to do your conversion.
Solution
Step1
Log139725=Log(9725) ÷ Log(13)
Log(9725)= 3.9878896099977
Log(13)=1.1139433523068
Log139725=3.9878896099977 ÷ 1.1139433523068
Ans=3.5799752310019
Step2
Alternatively, the logarithm can be calculated like this.