+**51** is a [natural number](/wiki/Natural_number) following 50 and preceding 52. It is an [odd number](/wiki/Odd_number) and a composite number, with factors 1, 3, 17, and 51.
+## See also
+- [Number](/wiki/Number)
+- [Composite Number](/wiki/Composite_Number)
+- [Prime Number](/wiki/Prime_Number)
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