Use the form below to do your conversion.
Solution
Step1
Log215305=Log(5305) ÷ Log(21)
Log(5305)= 3.7246853882374
Log(21)=1.3222192947339
Log215305=3.7246853882374 ÷ 1.3222192947339
Ans=2.8169951861026
Step2
Alternatively, the logarithm can be calculated like this.