Use the form below to do your conversion.
Solution
Step1
Log139001=Log(9001) ÷ Log(13)
Log(9001)= 3.9542907617011
Log(13)=1.1139433523068
Log139001=3.9542907617011 ÷ 1.1139433523068
Ans=3.5498131511915
Step2
Alternatively, the logarithm can be calculated like this.