Use the form below to do your conversion.
Solution
Step1
Log261991=Log(1991) ÷ Log(26)
Log(1991)= 3.2990712600274
Log(26)=1.4149733479708
Log261991=3.2990712600274 ÷ 1.4149733479708
Ans=2.3315430391382
Step2
Alternatively, the logarithm can be calculated like this.