Use the form below to do your conversion.
Solution
Step1
Log217925=Log(7925) ÷ Log(21)
Log(7925)= 3.8989992708898
Log(21)=1.3222192947339
Log217925=3.8989992708898 ÷ 1.3222192947339
Ans=2.9488295068893
Step2
Alternatively, the logarithm can be calculated like this.