Use the form below to do your conversion.
Solution
Step1
Log218147=Log(8147) ÷ Log(21)
Log(8147)= 3.9109977163106
Log(21)=1.3222192947339
Log218147=3.9109977163106 ÷ 1.3222192947339
Ans=2.9579039815008
Step2
Alternatively, the logarithm can be calculated like this.