Use the form below to do your conversion.
Solution
Step1
Log139785=Log(9785) ÷ Log(13)
Log(9785)= 3.990560829994
Log(13)=1.1139433523068
Log139785=3.990560829994 ÷ 1.1139433523068
Ans=3.5823732164926
Step2
Alternatively, the logarithm can be calculated like this.