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19 ore fa · Number theory Five is the third-smallest prime number, and the second super-prime, since its prime index is prime. Notably, 5 is equal to the sum of the only consecutive primes 2 + 3 and it is the only number that is part of more than one pair of twin primes, (3, 5) and (5, 7), also making it the first balanced prime with equal-sized prime gaps above and below it (of 2). 5 is the first safe ...
19 ore fa · In mathematics. Six is the smallest positive integer which is neither a square number nor a prime number. It is the second smallest composite number after four, equal to the sum and the product of its three proper divisors ( 1, 2 and 3 ). [1] As such, 6 is the only number that is both the sum and product of three consecutive positive numbers.
- six
- 6th, (sixth)
- 2 × 3
- senary
19 ore fa · “quinary”]; 12.构建保存按钮事件侦听器. 在colors数组下方，为“ js-save-colors ”类创建一个点击事件侦听器，我们以前添加到“保存”按钮。在其中创建一个名为’ htmlStyles ’ 的新变量，并为其分配根HTML元素的计算属性。我们将使用它来访问我们的CSS变量。
