Use the form below to do your conversion.
Solution
Step1
Log141991=Log(1991) ÷ Log(14)
Log(1991)= 3.2990712600274
Log(14)=1.1461280356782
Log141991=3.2990712600274 ÷ 1.1461280356782
Ans=2.8784491412211
Step2
Alternatively, the logarithm can be calculated like this.