Use the form below to do your conversion.
Solution
Step1
Log217231=Log(7231) ÷ Log(21)
Log(7231)= 3.8591983615339
Log(21)=1.3222192947339
Log217231=3.8591983615339 ÷ 1.3222192947339
Ans=2.9187279121581
Step2
Alternatively, the logarithm can be calculated like this.