Use the form below to do your conversion.
Solution
Step1
Log215087=Log(5087) ÷ Log(21)
Log(5087)= 3.7064617376314
Log(21)=1.3222192947339
Log215087=3.7064617376314 ÷ 1.3222192947339
Ans=2.8032125626916
Step2
Alternatively, the logarithm can be calculated like this.