Use the form below to do your conversion.
Solution
Step1
Log217291=Log(7291) ÷ Log(21)
Log(7291)= 3.8627870982353
Log(21)=1.3222192947339
Log217291=3.8627870982353 ÷ 1.3222192947339
Ans=2.921442088782
Step2
Alternatively, the logarithm can be calculated like this.