Upper case Roman (& Greek)? Russian? WFL On 6/4/20, Hans Havermann <gladhobo@bell.net> wrote:
Base pandigital abcd... ab is divisible by 2 abc is divisible by 3 abcd is divisible by 4 abcde is divisible by 5 abcdef is divisible by 6 abcdefg is divisible by 7 abcdefgh is divisible by 8 abcdefghi is divisible by 9 abcdefghij is divisible by 10 abcdefghijk is divisible by 11 ... up to "... is divisible by base-1"
I've just added base-37 to my A256112 < http://chesswanks.com/num/a256112.pdf > solutions list. I needed to borrow a letter from the Greek alphabet! Can someone explain why prime bases have so many more solutions than composite ones? _______________________________________________ math-fun mailing list math-fun@mailman.xmission.com https://mailman.xmission.com/cgi-bin/mailman/listinfo/math-fun