Use the form below to do your conversion.
Solution
Step1
Log217747=Log(7747) ÷ Log(21)
Log(7747)= 3.8891335559667
Log(21)=1.3222192947339
Log217747=3.8891335559667 ÷ 1.3222192947339
Ans=2.9413680253013
Step2
Alternatively, the logarithm can be calculated like this.