olymmath

OMCC 2020 Problem 6

  • Day 2

A positive integer NN is interoceanic if its prime factorization N=p1x1p2x2⋯pkxkN=p_1^{x_1}p_2^{x_2}\cdots p_k^{x_k} satisfies x1+x2+⋯+xk=p1+p2+⋯+pk.x_1+x_2+\dots +x_k=p_1+p_2+\cdots +p_k. Find all interoceanic numbers less than 2020.

Dataset text AI-MO AoPS. Quoted with source.

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Locator centro/2020/p6 · Tag 744F1F3NN0 · Edit this page on GitHub · Keys: j next, k previous