Use the form below to do your conversion.
Solution
Step1
Log219983=Log(9983) ÷ Log(21)
Log(9983)= 3.9992610711131
Log(21)=1.3222192947339
Log219983=3.9992610711131 ÷ 1.3222192947339
Ans=3.0246579270483
Step2
Alternatively, the logarithm can be calculated like this.