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3ã3å䞊ã¶çŽ æ°ã®æå°å€ã3331
ïŒãïŒå䞊ã¶çŽ æ°ã®æå°å€ã44449
3ã3åäžŠã¶æå°ã®çŽ æ°ã¯2333ã§ãã
5ã5åäžŠã¶æå°ã®çŽ æ°ã555557
6ã6åäžŠã¶æå°ã®çŽ æ°ã16666669
7ã7åäžŠã¶æå°ã®çŽ æ°ã137777777
8ã8åäžŠã¶æå°ã®çŽ æ°ã888888883
9ã9åäžŠã¶æå°ã®çŽ æ°ã1999999999
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'10'ã10åäžŠã¶æå°ã®çŽ æ°ã1010101010101010101039
'11'ã11åäžŠã¶æå°ã®çŽ æ°ã11111111111111111111111
ã§ã11111111111111111111111ã¯1ã23å䞊ã¶ã¬ãã¥ãããçŽ æ°ã§ããã
11111111111111111111111ã®æ¬¡ã«å°ããã'11'ã11å䞊ã¶ãçŽ æ°ã¯
11111111111111111111117ã§ããã
Ïã§9ã6ååããŠäžŠã¶ã®ã¯762æ¡ç®ããã§ããã¡ã€ã³ãã³ã»ãã€ã³ããšããããã§ãã
9ã7ïŒ8ïŒ9ååããŠäžŠã¶æ¡ã¯ã1722776æ¡ç®ã36356642æ¡ç®ã564665206æ¡ç®ããã ããã§ãã
2Ïã ãš7åã®9ãåããŠäžŠã¶ã®ã¯761æ¡ç®ããã«ãªããŸãã
Ïã§8ã6ååããŠäžŠã¶ã®ã¯222299æ¡ç®ããã§ã8ã7ïŒ8ååããŠäžŠã¶æ¡ã¯ã4722613æ¡ç®ã46663520æ¡ç®ããã ããã§ãã
https://www.angio.net/pi/bigpi.cgi
çŽ æ°æ¢ãã§ã¯ãªãæ£èŠæ°æ¹é¢ã§ããã
https://glyc.dc.uba.ar/santiago/papers/absnor.pdf
1999999999 = 31Ã64516129
ãªã®ã§çŽ æ°ã§ã¯ãªãã§ããã
10999999999
ã®æžãééãã§ããããã
(远èš)
12ïœ20ã«ã€ããŠèª¿ã¹ãŠã¿ãŸããã
12121212121212121212121223
1313131313131313131313131301
141414141414141414141414141497
15151515151515151515151515151501
1616161616161616161616161616161691
171717171717171717171717171717171737
118181818181818181818181818181818181881
1919191919191919191919191919191919191909
202020202020202020202020202020202020202093
ãææã®éã9ã9åç¶ãæå°ã®çŽ æ°ã¯1999999999ã¯ã¿ã€ããã¹ã§æ£ããã¯10999999999ã§ããã
2鲿³ïœ9鲿³ã§NãNåç¶ãæå°ã®çŽ æ°ãæ±ããŠã¿ãŸããããªãã11_(4)=5ãš11_(6)=7ã¯1ã2åç¶ãã®ã§é€ããŸããã
10_(2)=2
10_(3)=3
122_(3)=17
13_(4)=7
221_(4)=41
1333_(4)=127
10_(5)=5
122_(5)=37
3332_(5)=467
14444_(5)=1249
15_(6)=11
225_(6)=89
23335_(6)=3371
44441_(6)=6217
155555_(6)=15551
10_(7)=7
221_(7)=113
2333_(7)=857
14444_(7)=4001
455555_(7)=81233
6666665_(7)=823541
13_(8)=11
225_(8)=149
3331_(8)=1753
244447_(8)=84263
655555_(8)=220013
16666663_(8)=3894707
67777777_(8)=14680063
12_(9)=11
122_(9)=101
3332_(9)=2459
34444_(9)=22963
255555_(9)=155003
26666661_(9)=13153159
47777777_(9)=23316973
1488888888_(9)=602654093