Use the form below to do your conversion.
Solution
Step1
Log139745=Log(9745) ÷ Log(13)
Log(9745)= 3.9887818434536
Log(13)=1.1139433523068
Log139745=3.9887818434536 ÷ 1.1139433523068
Ans=3.58077619943
Step2
Alternatively, the logarithm can be calculated like this.