Use the form below to do your conversion.
Solution
Step1
Log213899=Log(3899) ÷ Log(21)
Log(3899)= 3.590953235188
Log(21)=1.3222192947339
Log213899=3.590953235188 ÷ 1.3222192947339
Ans=2.7158529976759
Step2
Alternatively, the logarithm can be calculated like this.