Use the form below to do your conversion.
Solution
Step1
Log218431=Log(8431) ÷ Log(21)
Log(8431)= 3.9258790893015
Log(21)=1.3222192947339
Log218431=3.9258790893015 ÷ 1.3222192947339
Ans=2.9691588263288
Step2
Alternatively, the logarithm can be calculated like this.