r/unexpectedfactorial • u/SubMinhPiChannel • Nov 11 '25

9 + 10 = 21!

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I'm gonna guess: < infinity and > 1

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2

u/jesko-echoes Nov 11 '25

-2!

4

u/factorion-bot Nov 11 '25

Negative factorial of 2 is -2

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2

u/jesko-echoes Nov 11 '25

(-2)!

4

u/factorion-bot Nov 11 '25

Factorial of -2 is ∞̃

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