Use the form below to do your conversion.
Solution
Step1
Log215407=Log(5407) ÷ Log(21)
Log(5407)= 3.7329563695756
Log(21)=1.3222192947339
Log215407=3.7329563695756 ÷ 1.3222192947339
Ans=2.8232505639897
Step2
Alternatively, the logarithm can be calculated like this.