Use the form below to do your conversion.
Solution
Step1
Log215221=Log(5221) ÷ Log(21)
Log(5221)= 3.7177536932107
Log(21)=1.3222192947339
Log215221=3.7177536932107 ÷ 1.3222192947339
Ans=2.8117527160719
Step2
Alternatively, the logarithm can be calculated like this.