factorial

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++

Related topics: Numbers

fac·to·ri·al /fækˈtɔːriəl/ noun [countable] technical  HMNthe result when you multiply a whole number by all the numbers below it 阶乘，阶乘积 factorial 3 = 3 x 2 x 1 3的阶乘=3×2×1

fac·to·ri·al nounChineseSyllable  

factorial
fac‧to‧ri‧al /fækˈtɔːriəl/ noun [countable] technical
the result when you multiply a whole number by all the numbers below it:
    factorial 3 = 3 x 2 x 1

fac·tor·ialBrE /fækˈtɔːriəl/ 🔊NAmE /fækˈtɔːriəl/ 🔊 noun (mathematics 数学) the result when you multiply a whole number by all the numbers below it 阶乘◆5! (= factorial 5) is 120 (= 5 × 4 × 3 × 2 × 1).5!（5 的阶乘）为 120（即 5 × 4 × 3 × 2 × 1）。