Use the form below to do your conversion.
Solution
Step1
Log217087=Log(7087) ÷ Log(21)
Log(7087)= 3.8504624327615
Log(21)=1.3222192947339
Log217087=3.8504624327615 ÷ 1.3222192947339
Ans=2.9121208925758
Step2
Alternatively, the logarithm can be calculated like this.