Use the form below to do your conversion.
Solution
Step1
Log281991=Log(1991) ÷ Log(28)
Log(1991)= 3.2990712600274
Log(28)=1.4471580313422
Log281991=3.2990712600274 ÷ 1.4471580313422
Ans=2.2796897011777
Step2
Alternatively, the logarithm can be calculated like this.