Use the form below to do your conversion.
Solution
Step1
Log214997=Log(4997) ÷ Log(21)
Log(4997)= 3.6987093494426
Log(21)=1.3222192947339
Log214997=3.6987093494426 ÷ 1.3222192947339
Ans=2.7973493989792
Step2
Alternatively, the logarithm can be calculated like this.