Use the form below to do your conversion.
Solution
Step1
Log139815=Log(9815) ÷ Log(13)
Log(9815)= 3.991890303936
Log(13)=1.1139433523068
Log139815=3.991890303936 ÷ 1.1139433523068
Ans=3.5835667008285
Step2
Alternatively, the logarithm can be calculated like this.