Use the form below to do your conversion.
Solution
Step1
Log21497=Log(497) ÷ Log(21)
Log(497)= 2.6963563887333
Log(21)=1.3222192947339
Log21497=2.6963563887333 ÷ 1.3222192947339
Ans=2.0392656494065
Step2
Alternatively, the logarithm can be calculated like this.