Use the form below to do your conversion.
Solution
Step1
Log79971=Log(9971) ÷ Log(7)
Log(9971)= 3.9987387162558
Log(7)=0.84509804001426
Log79971=3.9987387162558 ÷ 0.84509804001426
Ans=4.7316861794974
Step2
Alternatively, the logarithm can be calculated like this.