Use the form below to do your conversion.
Solution
Step1
Log139685=Log(9685) ÷ Log(13)
Log(9685)= 3.9860996250551
Log(13)=1.1139433523068
Log139685=3.9860996250551 ÷ 1.1139433523068
Ans=3.5783683405448
Step2
Alternatively, the logarithm can be calculated like this.