Use the form below to do your conversion.
Solution
Step1
Log71391=Log(1391) ÷ Log(7)
Log(1391)= 3.143327129992
Log(7)=0.84509804001426
Log71391=3.143327129992 ÷ 0.84509804001426
Ans=3.7194822152694
Step2
Alternatively, the logarithm can be calculated like this.