Use the form below to do your conversion.
Solution
Step1
Log211291=Log(1291) ÷ Log(21)
Log(1291)= 3.1109262422664
Log(21)=1.3222192947339
Log211291=3.1109262422664 ÷ 1.3222192947339
Ans=2.3528065689682
Step2
Alternatively, the logarithm can be calculated like this.