Use the form below to do your conversion.
Solution
Step1
Log217147=Log(7147) ÷ Log(21)
Log(7147)= 3.8541237821012
Log(21)=1.3222192947339
Log217147=3.8541237821012 ÷ 1.3222192947339
Ans=2.9148899864427
Step2
Alternatively, the logarithm can be calculated like this.