Use the form below to do your conversion.
Solution
Step1
Log214907=Log(4907) ÷ Log(21)
Log(4907)= 3.6908160579809
Log(21)=1.3222192947339
Log214907=3.6908160579809 ÷ 1.3222192947339
Ans=2.7913796695303
Step2
Alternatively, the logarithm can be calculated like this.