I think in terms of pure theory semantics the inversion only applies to which tone is in the bass. The rest of the voicing isn't really part of whether/how its inverted or not, if that makes sense. Normally we'd say root position, 1st inversion if the 3rd is in the bass, 2nd inversion if the 5th is in the bass, and 3rd inversion if the 7th is in the bass. The ordering of the notes above doesn't really matter in the usage of the term.
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