Use the form below to do your conversion.
Solution
Step1
Log216781=Log(6781) ÷ Log(21)
Log(6781)= 3.831293744377
Log(21)=1.3222192947339
Log216781=3.831293744377 ÷ 1.3222192947339
Ans=2.8976235331281
Step2
Alternatively, the logarithm can be calculated like this.