Use the form below to do your conversion.
Solution
Step1
Log287891=Log(7891) ÷ Log(28)
Log(7891)= 3.8971320433821
Log(28)=1.4471580313422
Log287891=3.8971320433821 ÷ 1.4471580313422
Ans=2.692955405684
Step2
Alternatively, the logarithm can be calculated like this.