factorial

US [fækˈtɔriəl]
UK [fækˈtɔːriəl]
  • adj.【数】因数的;阶乘的;代理商的;工厂的
  • n.阶乘
  • Web因子的;阶乘函数;阶乘因数的
Plural Form:factorials  
factorial
n.
1.
阶乘the result when you multiply a whole number by all the numbers below it
5! (= factorial 5) is 120 (= 5 × 4 × 3 × 2 × 1).
5! (5 的阶乘)为 120 (即 5 × 4 × 3 × 2 × 1)。

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