Use the form below to do your conversion.
Solution
Step1
Log213365=Log(3365) ÷ Log(21)
Log(3365)= 3.52698506856
Log(21)=1.3222192947339
Log213365=3.52698506856 ÷ 1.3222192947339
Ans=2.6674736048756
Step2
Alternatively, the logarithm can be calculated like this.