Use the form below to do your conversion.
Solution
Step1
Log139749=Log(9749) ÷ Log(13)
Log(9749)= 3.9889600703903
Log(13)=1.1139433523068
Log139749=3.9889600703903 ÷ 1.1139433523068
Ans=3.5809361958395
Step2
Alternatively, the logarithm can be calculated like this.