Use the form below to do your conversion.
Solution
Step1
Log219797=Log(9797) ÷ Log(21)
Log(9797)= 3.9910931080489
Log(21)=1.3222192947339
Log219797=3.9910931080489 ÷ 1.3222192947339
Ans=3.018480462314
Step2
Alternatively, the logarithm can be calculated like this.