Use the form below to do your conversion.
Solution
Step1
Log218491=Log(8491) ÷ Log(21)
Log(8491)= 3.9289588408808
Log(21)=1.3222192947339
Log218491=3.9289588408808 ÷ 1.3222192947339
Ans=2.9714880553694
Step2
Alternatively, the logarithm can be calculated like this.