Use the form below to do your conversion.
Solution
Step1
Log97991=Log(7991) ÷ Log(9)
Log(7991)= 3.9026011306665
Log(9)=0.95424250943932
Log97991=3.9026011306665 ÷ 0.95424250943932
Ans=4.0897372440047
Step2
Alternatively, the logarithm can be calculated like this.