Use the form below to do your conversion.
Solution
Step1
Log219701=Log(9701) ÷ Log(21)
Log(9701)= 3.9868165045855
Log(21)=1.3222192947339
Log219701=3.9868165045855 ÷ 1.3222192947339
Ans=3.0152460491721
Step2
Alternatively, the logarithm can be calculated like this.