Use the form below to do your conversion.
Solution
Step1
Log139787=Log(9787) ÷ Log(13)
Log(9787)= 3.9906495883189
Log(13)=1.1139433523068
Log139787=3.9906495883189 ÷ 1.1139433523068
Ans=3.5824528958809
Step2
Alternatively, the logarithm can be calculated like this.