Use the form below to do your conversion.
Solution
Step1
Log217969=Log(7969) ÷ Log(21)
Log(7969)= 3.9014038268253
Log(21)=1.3222192947339
Log217969=3.9014038268253 ÷ 1.3222192947339
Ans=2.9506480826317
Step2
Alternatively, the logarithm can be calculated like this.