Use the form below to do your conversion.
Solution
Step1
Log217157=Log(7157) ÷ Log(21)
Log(7157)= 3.8547310172139
Log(21)=1.3222192947339
Log217157=3.8547310172139 ÷ 1.3222192947339
Ans=2.9153492409061
Step2
Alternatively, the logarithm can be calculated like this.