Use the form below to do your conversion.
Solution
Step1
Log207171=Log(7171) ÷ Log(20)
Log(7171)= 3.8555797225017
Log(20)=1.301029995664
Log207171=3.8555797225017 ÷ 1.301029995664
Ans=2.9634825756143
Step2
Alternatively, the logarithm can be calculated like this.