Use the form below to do your conversion.
Solution
Step1
Log139217=Log(9217) ÷ Log(13)
Log(9217)= 3.9645895874899
Log(13)=1.1139433523068
Log139217=3.9645895874899 ÷ 1.1139433523068
Ans=3.5590585277786
Step2
Alternatively, the logarithm can be calculated like this.