What 6 digit number, with 6 different digits, when multiplied by all integers up to 6, circulates its...
arithmetic/digits/circular
Problem
What 6 digit number, with 6 different digits, when multiplied by all integers up to 6, circulates its digits through all 6 possible positions, as follows: ABCDEF * 1 = ABCDEF ABCDEF * 3 = BCDEFA ABCDEF * 2 = CDEFAB ABCDEF * 6 = DEFABC ABCDEF * 4 = EFABCD ABCDEF * 5 = FABCDE
Show solution
ABCDEF=142857 (the digits of the expansion of 1/7).