Use the form below to do your conversion.
Solution
Step1
Log221991=Log(1991) ÷ Log(22)
Log(1991)= 3.2990712600274
Log(22)=1.3424226808222
Log221991=3.2990712600274 ÷ 1.3424226808222
Ans=2.4575502985444
Step2
Alternatively, the logarithm can be calculated like this.