Use the form below to do your conversion.
Solution
Step1
Log218399=Log(8399) ÷ Log(21)
Log(8399)= 3.9242275812601
Log(21)=1.3222192947339
Log218399=3.9242275812601 ÷ 1.3222192947339
Ans=2.9679097838682
Step2
Alternatively, the logarithm can be calculated like this.