series vs number

series and number both are nouns.

Word	Noun	Adjective	Verb	Adverb
series	Yes	No	No	No
number	Yes	No	Yes	No

series (noun)	number (noun)
(mathematics) the sum of a finite or infinite sequence of expressions	an item of clothing
a periodical that appears at scheduled times	the property possessed by a sum or total or indefinite quantity of units or individuals
a serialized set of programs	a clothing measurement
(sports) several contests played successively by the same teams	one of a series published periodically
similar things placed in order or happening one after another	a symbol used to represent a number
a group of postage stamps having a common theme or a group of coins or currency selected as a group for study or collection	a numeral or string of numerals that is used for identification and may be attached to accounts, memberships, etc.
(electronics) connection of components in such a manner that current flows first through one and then through the other	the number is used in calling a particular telephone
	a short performance that is part of a longer program
	the grammatical category for the forms of nouns and pronouns and verbs that are used depending on the number of entities involved (singular or dual or plural)
	a numbered item in a series
	a select company of people
	a concept of quantity involving zero and units

series (verb)	number (verb)
	place a limit on the number of
	determine the number or amount of
	enumerate
	give numbers to
	add up in number or quantity
	put into a group