Use the form below to do your conversion.
Solution
Step1
Log217475=Log(7475) ÷ Log(21)
Log(7475)= 3.8736111969965
Log(21)=1.3222192947339
Log217475=3.8736111969965 ÷ 1.3222192947339
Ans=2.9296284000877
Step2
Alternatively, the logarithm can be calculated like this.