Use the form below to do your conversion.
Solution
Step1
Log217171=Log(7171) ÷ Log(21)
Log(7171)= 3.8555797225017
Log(21)=1.3222192947339
Log217171=3.8555797225017 ÷ 1.3222192947339
Ans=2.915991120276
Step2
Alternatively, the logarithm can be calculated like this.