Use the form below to do your conversion.
Solution
Step1
Log217415=Log(7415) ÷ Log(21)
Log(7415)= 3.8701111553644
Log(21)=1.3222192947339
Log217415=3.8701111553644 ÷ 1.3222192947339
Ans=2.9269813039169
Step2
Alternatively, the logarithm can be calculated like this.