Use the form below to do your conversion.
Solution
Step1
Log139901=Log(9901) ÷ Log(13)
Log(9901)= 3.9956790605116
Log(13)=1.1139433523068
Log139901=3.9956790605116 ÷ 1.1139433523068
Ans=3.5869679120012
Step2
Alternatively, the logarithm can be calculated like this.