Friday, May 13, 2011

289

289 = 172.

289 is the largest 3-digit square with increasing digits.

289 has a representation as a sum of two squares: 289 = 82 + 152.

289 is the hypotenuse of a primitive Pythagorean triple: 2892 = 1612 + 2402.

289 is a centered octagonal number.

The Ford Mustang 289 was a high-performance version of the car in the 1960s.

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