Use the form below to do your conversion.
Solution
Step1
Log21571=Log(571) ÷ Log(21)
Log(571)= 2.7566361082458
Log(21)=1.3222192947339
Log21571=2.7566361082458 ÷ 1.3222192947339
Ans=2.0848554541783
Step2
Alternatively, the logarithm can be calculated like this.