Use the form below to do your conversion.
Solution
Step1
Log139505=Log(9505) ÷ Log(13)
Log(9505)= 3.9779521212015
Log(13)=1.1139433523068
Log139505=3.9779521212015 ÷ 1.1139433523068
Ans=3.571054230867
Step2
Alternatively, the logarithm can be calculated like this.