Use the form below to do your conversion.
Solution
Step1
Log217471=Log(7471) ÷ Log(21)
Log(7471)= 3.8733787364091
Log(21)=1.3222192947339
Log217471=3.8733787364091 ÷ 1.3222192947339
Ans=2.9294525891702
Step2
Alternatively, the logarithm can be calculated like this.