Use the form below to do your conversion.
Solution
Step1
Log217451=Log(7451) ÷ Log(21)
Log(7451)= 3.8722145633976
Log(21)=1.3222192947339
Log217451=3.8722145633976 ÷ 1.3222192947339
Ans=2.9285721202373
Step2
Alternatively, the logarithm can be calculated like this.