Use the form below to do your conversion.
Solution
Step1
Log217429=Log(7429) ÷ Log(21)
Log(7429)= 3.8709303583487
Log(21)=1.3222192947339
Log217429=3.8709303583487 ÷ 1.3222192947339
Ans=2.9276008705709
Step2
Alternatively, the logarithm can be calculated like this.