■142857(その44)
7倍自己再現数の末尾は3,5,8のいすれかである.
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7(03)^2=63
7(13)^2=1183
7(23)^2=3703
7(33)^2=7623
7(43)^2=12943・・・7倍保型数
7(53)^2=19663
7(63)^2=27783
7(73)^2=37303
7(83)^2=48223
7(93)^2=60543
7(043)^2=12943
7(143)^2=143143・・・7倍保型数
7(243)^2=413343
7(343)^2=823543
7(443)^2=1373743
7(543)^2=2063943
7(643)^2=2894143
7(743)^2=3864343
7(843)^2=4974543
7(943)^2=6224743
7(0143)^2=143143
7(1143)^2=9145143
7(2143)^2=32147143
7(3143)^2=69149143
7(4143)^2=120151143
7(5143)^2=185153143
7(6143)^2=264155143
7(7143)^2=357157143・・・7倍保型数
7(8143)^2=464159143
7(9143)^2=585161143
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