+656 is a [natural number](/wiki/Natural_Number) following 655 and preceding 657. As an [even number](/wiki/Even_Number), it is a composite, being the product of prime factors.
+## See also
+- [Number Theory](/wiki/Number_Theory)
+- [Arithmetic](/wiki/Arithmetic)
+- [Prime Factorization](/wiki/Prime_Factorization)
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