Use the form below to do your conversion.
Solution
Step1
Log91391=Log(1391) ÷ Log(9)
Log(1391)= 3.143327129992
Log(9)=0.95424250943932
Log91391=3.143327129992 ÷ 0.95424250943932
Ans=3.2940548119565
Step2
Alternatively, the logarithm can be calculated like this.