Use the form below to do your conversion.
Solution
Step1
Log139287=Log(9287) ÷ Log(13)
Log(9287)= 3.967875445548
Log(13)=1.1139433523068
Log139287=3.967875445548 ÷ 1.1139433523068
Ans=3.5620082810594
Step2
Alternatively, the logarithm can be calculated like this.