Use the form below to do your conversion.
Solution
Step1
Log216647=Log(6647) ÷ Log(21)
Log(6647)= 3.8226256787741
Log(21)=1.3222192947339
Log216647=3.8226256787741 ÷ 1.3222192947339
Ans=2.8910678387456
Step2
Alternatively, the logarithm can be calculated like this.