Use the form below to do your conversion.
Solution
Step1
Log28421=Log(421) ÷ Log(28)
Log(421)= 2.6242820958357
Log(28)=1.4471580313422
Log28421=2.6242820958357 ÷ 1.4471580313422
Ans=1.8134039538181
Step2
Alternatively, the logarithm can be calculated like this.