Use the form below to do your conversion.
Solution
Step1
Log217435=Log(7435) ÷ Log(21)
Log(7435)= 3.871280972858
Log(21)=1.3222192947339
Log217435=3.871280972858 ÷ 1.3222192947339
Ans=2.9278660417953
Step2
Alternatively, the logarithm can be calculated like this.