Use the form below to do your conversion.
Solution
Step1
Log213949=Log(3949) ÷ Log(21)
Log(3949)= 3.5964871337365
Log(21)=1.3222192947339
Log213949=3.5964871337365 ÷ 1.3222192947339
Ans=2.7200383083657
Step2
Alternatively, the logarithm can be calculated like this.