Use the form below to do your conversion.
Solution
Step1
Log212591=Log(2591) ÷ Log(21)
Log(2591)= 3.4134674129858
Log(21)=1.3222192947339
Log212591=3.4134674129858 ÷ 1.3222192947339
Ans=2.5816197256997
Step2
Alternatively, the logarithm can be calculated like this.