可 截短質 數
十進制的可左截短質數共有4260
- 2, 3, 5, 7, 13, 17, 23, 37, 43, 47, 53, 67, 73, 83, 97, 113, 137, 167, 173, 197, 223, 283, 313, 317, 337, 347, 353, 367, 373, 383, 397, 443, 467, 523, 547, 613, 617, 643, 647, 653, 673, 683, 743, 773, 797, 823, 853, 883, 937, 947, 953, 967, 983, 997, 1223, 1283, 1367 ... (OEIS
數列 A024785)
十進制的可右截短質數共有83
- 2, 3, 5, 7, 23, 29, 31, 37, 53, 59, 71, 73, 79, 233, 239, 293, 311, 313, 317, 373, 379, 593, 599, 719, 733, 739, 797, 2333, 2339, 2393, 2399, 2939, 3119, 3137, 3733, 3739, 3793, 3797, 5939, 7193, 7331, 7333, 7393, 23333, 23339, 23399, 23993, 29399, 31193, 31379, 37337, 37339, 37397, 59393, 59399, 71933, 73331, 73939, 233993, 239933, 293999, 373379, 373393, 593933, 593993, 719333, 739391, 739393, 739397, 739399, 2339933, 2399333, 2939999, 3733799, 5939333, 7393913, 7393931, 7393933, 23399339, 29399999, 37337999, 59393339, 73939133 (OEIS
數列 A024770)
53, 317, 599, 797, 2393, 3793, 3797, 7331, 23333, 23339, 31193, 31379, 37397, 73331, 373393, 593993, 719333, 739397, 739399, 2399333, 7393931, 7393933, 23399339, 29399999, 37337999, 59393339, 73939133(OEIS
- 773, 3373, 3947, 4643, 5113, 6397, 6967, 7937, 15647, 16823, 24373, 33547, 34337, 37643, 56983, 57853, 59743, 62383, 63347, 63617, 69337, 72467, 72617, 75653, 76367, 87643, 92683, 97883, 98317, 121997, 124337, 163853, 213613, 236653 ... (OEIS
數列 A055521)
一個數是否是質數和其
Leslie E. Card
相關 條目
[编辑]參考 資料
[编辑]- ^ 1.0 1.1 1.2 Weisstein, Eric W. (编). Truncatable Prime. at MathWorld--A Wolfram Web Resource. Wolfram Research, Inc. (
英 语). - ^
孫 文 先 編 譯 . 《神祕 有 趣 的 數學 》.九 章 出版 . 1993年 :第 50頁 . ISBN 957-603-048-X.
- Caldwell, Chris, left-truncatable prime (页面
存 档备份,存 于互联网档案 馆) and right-truncatable primes (页面存 档备份,存 于互联网档案 馆), at the Prime Pages glossary. - Rivera, Carlos, Problems & Puzzles: Puzzle 2.- Prime strings (页面
存 档备份,存 于互联网档案 馆) and Puzzle 131.- Growing primes (页面存 档备份,存 于互联网档案 馆)