Use the form below to do your conversion.
Solution
Step1
Log215647=Log(5647) ÷ Log(21)
Log(5647)= 3.7518177877369
Log(21)=1.3222192947339
Log215647=3.7518177877369 ÷ 1.3222192947339
Ans=2.8375155336785
Step2
Alternatively, the logarithm can be calculated like this.