Use the form below to do your conversion.
Solution
Step1
Log213583=Log(3583) ÷ Log(21)
Log(3583)= 3.5542468081661
Log(21)=1.3222192947339
Log213583=3.5542468081661 ÷ 1.3222192947339
Ans=2.6880917729168
Step2
Alternatively, the logarithm can be calculated like this.