Use the form below to do your conversion.
Solution
Step1
Log161991=Log(1991) ÷ Log(16)
Log(1991)= 3.2990712600274
Log(16)=1.2041199826559
Log161991=3.2990712600274 ÷ 1.2041199826559
Ans=2.7398193764301
Step2
Alternatively, the logarithm can be calculated like this.