Use the form below to do your conversion.
Solution
Step1
Log217391=Log(7391) ÷ Log(21)
Log(7391)= 3.8687032022785
Log(21)=1.3222192947339
Log217391=3.8687032022785 ÷ 1.3222192947339
Ans=2.925916463091
Step2
Alternatively, the logarithm can be calculated like this.