Use the form below to do your conversion.
Solution
Step1
Log20491=Log(491) ÷ Log(20)
Log(491)= 2.691081492123
Log(20)=1.301029995664
Log20491=2.691081492123 ÷ 1.301029995664
Ans=2.0684238650083
Step2
Alternatively, the logarithm can be calculated like this.