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尼亚普德罗 和 可截断素数

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（最多15位数）

属于这两组的第一个数字：

2,3,5,7,31,43,53,71,73,83,97,311,443,643,653,733,743,773,853,883,953,983,997,5443,6653,7331,7333,7643,8443,9643,9743,9883,66653,73331,87643,95443,98443,99643,866653,966653,995443,998443,9866653.