Use the form below to do your conversion.
Solution
Step1
Log214571=Log(4571) ÷ Log(21)
Log(4571)= 3.6600112212893
Log(21)=1.3222192947339
Log214571=3.6600112212893 ÷ 1.3222192947339
Ans=2.7680818422982
Step2
Alternatively, the logarithm can be calculated like this.