Use the form below to do your conversion.
Solution
Step1
Log138393=Log(8393) ÷ Log(13)
Log(8393)= 3.9239172231131
Log(13)=1.1139433523068
Log138393=3.9239172231131 ÷ 1.1139433523068
Ans=3.522546469699
Step2
Alternatively, the logarithm can be calculated like this.