Pallas vs 2 Pallas

Pallas and 2 Pallas both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pallas	Yes	No	No	No
2 Pallas	Yes	No	No	No

As nouns, Pallas and 2 Pallas are synonyms defined as:

Pallas and 2 Pallas: a large asteroid; the second asteroid to be discovered

Pallas (noun)	2 Pallas (noun)
a large asteroid; the second asteroid to be discovered	a large asteroid; the second asteroid to be discovered
(Greek mythology) goddess of wisdom and useful arts and prudent warfare; guardian of Athens; identified with Roman Minerva