Use the form below to do your conversion.
Solution
Step1
Log84991=Log(4991) ÷ Log(8)
Log(4991)= 3.6981875698661
Log(8)=0.90308998699194
Log84991=3.6981875698661 ÷ 0.90308998699194
Ans=4.0950377295005
Step2
Alternatively, the logarithm can be calculated like this.