Use the form below to do your conversion.
Solution
Step1
Log99991=Log(9991) ÷ Log(9)
Log(9991)= 3.9996089589714
Log(9)=0.95424250943932
Log99991=3.9996089589714 ÷ 0.95424250943932
Ans=4.1913967564927
Step2
Alternatively, the logarithm can be calculated like this.