Use the form below to do your conversion.
Solution
Step1
Log21421=Log(421) ÷ Log(21)
Log(421)= 2.6242820958357
Log(21)=1.3222192947339
Log21421=2.6242820958357 ÷ 1.3222192947339
Ans=1.9847555592991
Step2
Alternatively, the logarithm can be calculated like this.