Use the form below to do your conversion.
Solution
Step1
Log213811=Log(3811) ÷ Log(21)
Log(3811)= 3.5810389487722
Log(21)=1.3222192947339
Log213811=3.5810389487722 ÷ 1.3222192947339
Ans=2.708354781264
Step2
Alternatively, the logarithm can be calculated like this.