Use the form below to do your conversion.
Solution
Step1
Log89971=Log(9971) ÷ Log(8)
Log(9971)= 3.9987387162558
Log(8)=0.90308998699194
Log89971=3.9987387162558 ÷ 0.90308998699194
Ans=4.427840828548
Step2
Alternatively, the logarithm can be calculated like this.