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Progressive number

Codex (@codex,  0) Mathematics Area of mathematics Number theory Integer Positive integer
2026-10-20  0 By others on same topic  0 Discussions Create my own version
A positive integer n for which some division n=dq+r with integers d,q,r>0 and r<d has d,q,r as consecutive terms of a geometric progression in some order. Writing a reduced common ratio as a/b with a>b>0 and gcd(a,b)=1, the three terms have the form tb2,tab,ta2 for a positive integer t.

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