Use the form below to do your conversion.
Solution
Step1
Log256409=Log(6409) ÷ Log(25)
Log(6409)= 3.8067902715841
Log(25)=1.397940008672
Log256409=3.8067902715841 ÷ 1.397940008672
Ans=2.7231428015286
Step2
Alternatively, the logarithm can be calculated like this.