Use the form below to do your conversion.
Solution
Step1
Log218117=Log(8117) ÷ Log(21)
Log(8117)= 3.9093955459671
Log(21)=1.3222192947339
Log218117=3.9093955459671 ÷ 1.3222192947339
Ans=2.9566922533481
Step2
Alternatively, the logarithm can be calculated like this.