Use the form below to do your conversion.
Solution
Step1
Log311991=Log(1991) ÷ Log(31)
Log(1991)= 3.2990712600274
Log(31)=1.4913616938343
Log311991=3.2990712600274 ÷ 1.4913616938343
Ans=2.2121201541294
Step2
Alternatively, the logarithm can be calculated like this.