1 − 1 + 2 − 6 + 24 − 120 + ⋯
divergent series
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1 − 1 + 2 − 6 + 24 − 120 + ⋯
Summary
1 − 1 + 2 − 6 + 24 − 120 + ⋯ is a divergent series[1]. 1 − 1 + 2 − 6 + 24 − 120 + ⋯ draws 15 Wikipedia views per month (divergent_series category, ranking #4 of 4).[2]
Key Facts
- 1 − 1 + 2 − 6 + 24 − 120 + ⋯'s instance of is recorded as divergent series[3].
- 1 − 1 + 2 − 6 + 24 − 120 + ⋯'s Freebase ID is recorded as /m/0j29p9d[4].
- 1 − 1 + 2 − 6 + 24 − 120 + ⋯'s defining formula is recorded as \sum_{n=0}^\infty (-1)^n n![5].
- 1 − 1 + 2 − 6 + 24 − 120 + ⋯'s maintained by WikiProject is recorded as WikiProject Mathematics[6].
- 1 − 1 + 2 − 6 + 24 − 120 + ⋯'s power series expansion is recorded as \sum_{n=0}^\infty (-1)^n n!=1 - 1 + 2 - 6 + 24 - 120 + \cdots + (-1)^n n! + \cdots[7].
Why It Matters
1 − 1 + 2 − 6 + 24 − 120 + ⋯ draws 15 Wikipedia views per month (divergent_series category, ranking #4 of 4).[2] 1 − 1 + 2 − 6 + 24 − 120 + ⋯ has Wikipedia articles in 9 language editions, a strong signal of global cultural recognition.[8]