We see the fundamental theorem of arithmetic and the sieve of Eratosthenes in the decomposition into weight × level + jump of natural numbers. Applied to prime numbers this decomposition leads to a new classification of primes.

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A003601: Numbers j such that the average of the divisors of j is an integer: sigma_0(j) divides sigma_1(j). Alternatively, numbers j such that tau(j) (A000005(j)) divides sigma(j) (A000203(j))
A003601 ➡️ https://oeis.org/A003601

3D graph, threejs - webGL ➡️ https://decompwlj.com/3Dgraph/A003601.html
3D graph Gen, threejs animation ➡️ https://decompwlj.com/3DgraphGen/A003601.html
2D graph, first 500 terms ➡️ https://decompwlj.com/2Dgraph500terms/A003601.html

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