Use the form below to do your conversion.
Solution
Step1
Log213571=Log(3571) ÷ Log(21)
Log(3571)= 3.5527898501928
Log(21)=1.3222192947339
Log213571=3.5527898501928 ÷ 1.3222192947339
Ans=2.6869898694889
Step2
Alternatively, the logarithm can be calculated like this.