Английская Википедия:369 (number)

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Шаблон:Infobox number Three hundred sixty-nine is the natural number following three hundred sixty-eight and preceding three hundred seventy.

In mathematics

369 is the magic constant of the 9 × 9 magic square[1][2] and the n-Queens Problem for n = 9.[2]

There are 369 free octominoes (polyominoes of order 8).[3][4]

369 is a Ruth-Aaron Pair with 370. The sum of their prime factors are equivalent.[5]

References

Шаблон:Reflist Шаблон:Integers