439

This number is a prime.

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A number that can be expressed as the signed sum of cubes in at least three ways: 264488³ + 331574³ - 380193³ = 2322404³ - 869418³ - 2281057³ = 402906³ - 211402³ - 382489³. [Rupinski]

Submitted: 2003-07-11 21:36:15; Last Modified: 2008-01-30 17:28:00.