Use the form below to do your conversion.
Solution
Step1
Log217985=Log(7985) ÷ Log(21)
Log(7985)= 3.9022749204745
Log(21)=1.3222192947339
Log217985=3.9022749204745 ÷ 1.3222192947339
Ans=2.9513068944133
Step2
Alternatively, the logarithm can be calculated like this.