Use the form below to do your conversion.
Solution
Step1
Log217801=Log(7801) ÷ Log(21)
Log(7801)= 3.8921502779014
Log(21)=1.3222192947339
Log217801=3.8921502779014 ÷ 1.3222192947339
Ans=2.9436495847571
Step2
Alternatively, the logarithm can be calculated like this.