Use the form below to do your conversion.
Solution
Step1
Log217879=Log(7879) ÷ Log(21)
Log(7879)= 3.8964711004793
Log(21)=1.3222192947339
Log217879=3.8964711004793 ÷ 1.3222192947339
Ans=2.9469174410009
Step2
Alternatively, the logarithm can be calculated like this.