Use the form below to do your conversion.
Solution
Step1
Log139391=Log(9391) ÷ Log(13)
Log(9391)= 3.9727118405471
Log(13)=1.1139433523068
Log139391=3.9727118405471 ÷ 1.1139433523068
Ans=3.5663499695205
Step2
Alternatively, the logarithm can be calculated like this.