Use the form below to do your conversion.
Solution
Step1
Log219401=Log(9401) ÷ Log(21)
Log(9401)= 3.973174052683
Log(21)=1.3222192947339
Log219401=3.973174052683 ÷ 1.3222192947339
Ans=3.004928205561
Step2
Alternatively, the logarithm can be calculated like this.