Use the form below to do your conversion.
Solution
Step1
Log256491=Log(6491) ÷ Log(25)
Log(6491)= 3.8123116091311
Log(25)=1.397940008672
Log256491=3.8123116091311 ÷ 1.397940008672
Ans=2.7270924256275
Step2
Alternatively, the logarithm can be calculated like this.