Numerology's foundational structure works against a clean ranking. Every digit from 1 to 9 gets assigned both a strength and a shadow trait, and the tradition's internal logic treats all nine as necessary — a numerology system where 1 through 9 aren't equally represented would be a strange, lopsided thing, closer to astrology having only ten favorable star signs and two unfavorable ones.
That said, it's a fair observation that some numbers get warmer press than others. 6 and 9 tend to be described with fewer harsh caveats than, say, 5 or 8 — not because the tradition ranks them higher, but because caretaking and compassion are traits most cultures already regard favorably, and numerology inherits that bias.
The master numbers complicate the picture further. 11, 22, and 33 are often called more "powerful" simply because they're rarer and unreduced — but nearly every serious source pairs that power with above-average difficulty, which undercuts any straightforward claim that master numbers are simply better to have.