Use the form below to do your conversion.
Solution
Step1
Log28991=Log(991) ÷ Log(28)
Log(991)= 2.9960736544853
Log(28)=1.4471580313422
Log28991=2.9960736544853 ÷ 1.4471580313422
Ans=2.0703154663119
Step2
Alternatively, the logarithm can be calculated like this.