Nope, just like any other numeric prefixes they are not counted for the alphabetical order unless they are inside of a complex substituent themselves (which would be quite a monstrosity 😂)
My professor says that the nomenclature inside the parentheses is done as usual and not with the first word no matter what, is there any website or place with reliable info I could use to show him?
I'm not quite sure what you're asking. Are you referring to the alphabetical order when we are arranging the substituents in the final name, or are you referring to the placement of the 1st atom and the place from where we start counting the longest chain?
I’m sorry for not expressing myself correctly, I’m referring to the rule that says that the complex substituent should be alphabetized by the first letter including the prefix. My professor says the prefix shouldn’t be used when alphabetizing the complex substituent. I’m trying to show him something reliable to see what he thinks.
Yeah, your instructor is incorrect. Rule P-14.5.2 in the "Blue Book" 2013 Edition (latest). Page 81 in the downloadable pdf from the Royal Society or page 43 in the physical book.