What are literals?

[bhb23955]

What exactly are literal numbers?

[stetim94]

sounds like something which can be found in documentation?

here is the documentation you need:

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Grammar_and_types#Numeric_literals

learning to find and read documentation for something you need/want to know is a good skill to have as a developer