Use the form below to do your conversion.
Solution
Step1
Log219761=Log(9761) ÷ Log(21)
Log(9761)= 3.9894943127727
Log(21)=1.3222192947339
Log219761=3.9894943127727 ÷ 1.3222192947339
Ans=3.0172712867388
Step2
Alternatively, the logarithm can be calculated like this.