Use the form below to do your conversion.
Solution
Step1
Log218387=Log(8387) ÷ Log(21)
Log(8387)= 3.9236066430175
Log(21)=1.3222192947339
Log218387=3.9236066430175 ÷ 1.3222192947339
Ans=2.9674401656701
Step2
Alternatively, the logarithm can be calculated like this.