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> Logic> Probability> Shapes (2)> General (1)
> Numbers> Games> Paradoxes> Riddles
> Just Math> Science> Algorithms
TOP*SPA=(a 6-digit number)

There are numerous valid words yielding valid solutions,
but only one product consists of a chain of the same digit repeated 6 times!

This is the one we want!

Use of software not recommended, it is easily solvable by logical deduction.

(No Solution Yet, 0 Comments) Submitted on 2017-08-19 by Ady TZIDON   
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Prove that there are an infinite number of distinct ordered pairs (m, n) of integers such that, for every positive integer t, the number mt + n is a triangular number if and only if t is a triangular number as well
(No Solution Yet, 11 Comments) Submitted on 2004-10-26 by Victor Zapana   
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Difficulty: 4 of 5A unique Heronian triangle (in Geometry)
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