Use the form below to do your conversion.
Solution
Step1
Log217409=Log(7409) ÷ Log(21)
Log(7409)= 3.8697595947824
Log(21)=1.3222192947339
Log217409=3.8697595947824 ÷ 1.3222192947339
Ans=2.9267154171738
Step2
Alternatively, the logarithm can be calculated like this.