Use the form below to do your conversion.
Solution
Step1
Log287987=Log(7987) ÷ Log(28)
Log(7987)= 3.9023836844325
Log(28)=1.4471580313422
Log287987=3.9023836844325 ÷ 1.4471580313422
Ans=2.6965843397304
Step2
Alternatively, the logarithm can be calculated like this.