Use the form below to do your conversion.
Solution
Step1
Log97891=Log(7891) ÷ Log(9)
Log(7891)= 3.8971320433821
Log(9)=0.95424250943932
Log97891=3.8971320433821 ÷ 0.95424250943932
Ans=4.0840059050313
Step2
Alternatively, the logarithm can be calculated like this.