+287 is a [natural number](/wiki/Natural_Number) that follows 286 and precedes 288. It is a [composite number](/wiki/Composite_Number), specifically a semiprime, being the product of the prime numbers 7 and 41.
+## See also
+- [Prime Number](/wiki/Prime_Number)
+- [Semiprime](/wiki/Semiprime)
+- [Integer](/wiki/Integer)
... 1 more lines