Use the form below to do your conversion.
Solution
Step1
Log218429=Log(8429) ÷ Log(21)
Log(8429)= 3.9257760538367
Log(21)=1.3222192947339
Log218429=3.9257760538367 ÷ 1.3222192947339
Ans=2.9690809001746
Step2
Alternatively, the logarithm can be calculated like this.