Use the form below to do your conversion.
Solution
Step1
Log217459=Log(7459) ÷ Log(21)
Log(7459)= 3.8726806071519
Log(21)=1.3222192947339
Log217459=3.8726806071519 ÷ 1.3222192947339
Ans=2.928924591084
Step2
Alternatively, the logarithm can be calculated like this.