Use the form below to do your conversion.
Solution
Step1
Log215971=Log(5971) ÷ Log(21)
Log(5971)= 3.7760470711818
Log(21)=1.3222192947339
Log215971=3.7760470711818 ÷ 1.3222192947339
Ans=2.8558402424022
Step2
Alternatively, the logarithm can be calculated like this.