Use the form below to do your conversion.
Solution
Step1
Log139239=Log(9239) ÷ Log(13)
Log(9239)= 3.9656249671092
Log(13)=1.1139433523068
Log139239=3.9656249671092 ÷ 1.1139433523068
Ans=3.5599880001949
Step2
Alternatively, the logarithm can be calculated like this.