+**285** is a natural number, nestled between 284 and 286. As the 23rd [triangular number](/wiki/Triangular_Number), it signifies an arrangement of points into a perfect triangle. It is also a [hexagonal number](/wiki/Hexagonal_Number), revealing another geometric pattern.
+## See also
+- [Number](/wiki/Number)
+- [Geometry](/wiki/Geometry)
+- [Integer](/wiki/Integer)
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