Use the form below to do your conversion.
Solution
Step1
Log256421=Log(6421) ÷ Log(25)
Log(6421)= 3.8076026699165
Log(25)=1.397940008672
Log256421=3.8076026699165 ÷ 1.397940008672
Ans=2.7237239411536
Step2
Alternatively, the logarithm can be calculated like this.