Use the form below to do your conversion.
Solution
Step1
Log217379=Log(7379) ÷ Log(21)
Log(7379)= 3.867997510345
Log(21)=1.3222192947339
Log217379=3.867997510345 ÷ 1.3222192947339
Ans=2.9253827453209
Step2
Alternatively, the logarithm can be calculated like this.