Use the form below to do your conversion.
Solution
Step1
Log256389=Log(6389) ÷ Log(25)
Log(6389)= 3.8054328881321
Log(25)=1.397940008672
Log256389=3.8054328881321 ÷ 1.397940008672
Ans=2.7221718131861
Step2
Alternatively, the logarithm can be calculated like this.