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A145875
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Repdigit Kaprekar numbers
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1
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1, 9, 55, 99, 999, 7777, 9999, 22222, 99999, 999999, 4444444, 9999999, 88888888, 99999999, 999999999, 1111111111
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,2
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COMMENTS
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The only numbers where the repeated digit and the number of digits are the same are 1, 88888888 and 999999999.
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LINKS
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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Howard Berman (howard_berman(AT)hotmail.com), Oct 22 2008
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STATUS
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approved
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