Use the form below to do your conversion.
Solution
Step1
Log139491=Log(9491) ÷ Log(13)
Log(9491)= 3.9773119733969
Log(13)=1.1139433523068
Log139491=3.9773119733969 ÷ 1.1139433523068
Ans=3.5704795626819
Step2
Alternatively, the logarithm can be calculated like this.