Use the form below to do your conversion.
Solution
Step1
Log217279=Log(7279) ÷ Log(21)
Log(7279)= 3.86207171938
Log(21)=1.3222192947339
Log217279=3.86207171938 ÷ 1.3222192947339
Ans=2.9209010447523
Step2
Alternatively, the logarithm can be calculated like this.