+"Thirteen" often represents a point of transition, mystery, or [unluckiness](/wiki/unluckiness). Across many cultures, this [prime number](/wiki/prime_number) carries unique symbolic weight, sometimes feared, sometimes revered. It marks the end of a cycle or the beginning of a new one, a threshold where the familiar gives way to the unknown.
+## See also
+- [Number Symbolism](/wiki/number_symbolism)
+- [Superstition](/wiki/superstition)
+- [Calendar](/wiki/calendar)
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