Use the form below to do your conversion.
Solution
Step1
Log217727=Log(7727) ÷ Log(21)
Log(7727)= 3.888010912245
Log(21)=1.3222192947339
Log217727=3.888010912245 ÷ 1.3222192947339
Ans=2.9405189651445
Step2
Alternatively, the logarithm can be calculated like this.