Use the form below to do your conversion.
Solution
Step1
Log217889=Log(7889) ÷ Log(21)
Log(7889)= 3.8970219560604
Log(21)=1.3222192947339
Log217889=3.8970219560604 ÷ 1.3222192947339
Ans=2.947334055388
Step2
Alternatively, the logarithm can be calculated like this.