Use the form below to do your conversion.
Solution
Step1
Log213961=Log(3961) ÷ Log(21)
Log(3961)= 3.5978048424043
Log(21)=1.3222192947339
Log213961=3.5978048424043 ÷ 1.3222192947339
Ans=2.7210348969596
Step2
Alternatively, the logarithm can be calculated like this.