Do you think the "New Whole Numbers Classification" exactly describes the organization of set N ?

Whole numbers are subdivided into these two categories:

- ultimates: an ultimate number not admits any non-trivial divisor (whole number) being less than it.

- non-ultimates: a non-ultimate number admits at least one non-trivial divisor (whole number) being less than it.

Non-ultimate numbers are subdivided into these two categories:

- raiseds: a raised number is a non-ultimate number, power of an ultimate number.

- composites: a composite number is a non-ultimate and not raised number admitting at least two different divisors.

Composite numbers are subdivided into these two categories:

- pure composites: a pure composite number is a non-ultimate and not raised number admitting no raised number as divisor.

- mixed composites: a mixed composite number is a non-ultimate and not raised number admitting at least a raised number as divisor.

From the paper: Preprint New Whole Numbers Classification

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