Yes, the word 'numeral' is a common noun, a word for any numeral of any kind.
A proper noun is the name of a specific person, place, thing, or a title; for example:
common noun
Common
Its itself a roman numeral. The common numeral for this is 1084
Common noun
common
Pea is a common noun, and peas is the plural...still a common noun.
A common noun.
Most definitely a common noun.
It's an adverbial numeral
Camel is a common noun.
Th word tail is a common noun because the first letter of a proper noun is capitalized.
it is re@lly @ common noun