Use the form below to do your conversion.
Solution
Step1
Log217609=Log(7609) ÷ Log(21)
Log(7609)= 3.8813275841006
Log(21)=1.3222192947339
Log217609=3.8813275841006 ÷ 1.3222192947339
Ans=2.9354643360288
Step2
Alternatively, the logarithm can be calculated like this.