Use the form below to do your conversion.
Solution
Step1
Log217381=Log(7381) ÷ Log(21)
Log(7381)= 3.8681152053272
Log(21)=1.3222192947339
Log217381=3.8681152053272 ÷ 1.3222192947339
Ans=2.9254717585298
Step2
Alternatively, the logarithm can be calculated like this.