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arXiv 1705.08232math.NT
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一个带数字和约束的素数和方程

An equation about sum of primes with digital sum constraints

Haifeng Xu

摘要:

我们知道任何形式为$4s+1$的素数都可以写成两个完满平方数的和。作为哥德巴赫弱猜想的结果,任何大于$10$的数都可以表示为四个素数之和。我们的动机是考虑一个方程与一些限制的数字和的四个素数。并得出结论:如果方程有解,则四个素数的数字和的平方根将大于$4$,而不是$3$的倍数.在证明中,我们给出了判断一个数是否是完满平方的方法。

英文摘要:

We know that any prime number of form $4s+1$ can be written as a sum of two perfect square numbers. As a consequence of Goldbach's weak conjecture, any number great than $10$ can be represented as a sum of four primes. We are motivated to consider an equation with some constraints about digital sum for the four primes. And we conclude that the square root of the digital sum of the four primes will greater than $4$ and will not be a multiple of $3$ if the equation has solutions. In the proof, we give the method of determining whether a number is a perfect square.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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