Use the form below to do your conversion.
Solution
Step1
Log61991=Log(1991) ÷ Log(6)
Log(1991)= 3.2990712600274
Log(6)=0.77815125038364
Log61991=3.2990712600274 ÷ 0.77815125038364
Ans=4.2396272683503
Step2
Alternatively, the logarithm can be calculated like this.