Use the form below to do your conversion.
Solution
Step1
Log217543=Log(7543) ÷ Log(21)
Log(7543)= 3.8775441077159
Log(21)=1.3222192947339
Log217543=3.8775441077159 ÷ 1.3222192947339
Ans=2.9326028769655
Step2
Alternatively, the logarithm can be calculated like this.