binary numeration system vs binary number system

binary numeration system and binary number system both are nouns.

Word	Noun	Adjective	Verb	Adverb
binary numeration system	Yes	No	No	No
binary number system	Yes	No	No	No

As nouns, binary numeration system and binary number system are synonyms defined as:

binary numeration system and binary number system: a positional system of numeration that uses binary digits and a radix of two

Other synonyms of binary numeration system include binary system, pure binary numeration system.

binary numeration system (noun)	binary number system (noun)
a positional system of numeration that uses binary digits and a radix of two	a positional system of numeration that uses binary digits and a radix of two