Use the form below to do your conversion.
Solution
Step1
Log213281=Log(3281) ÷ Log(21)
Log(3281)= 3.516006230386
Log(21)=1.3222192947339
Log213281=3.516006230386 ÷ 1.3222192947339
Ans=2.6591702635028
Step2
Alternatively, the logarithm can be calculated like this.