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A repeating decimal or recurring decimal is a decimal representation of a number whose digits are eventually periodic (that is, after some place, the same sequence of digits is repeated forever); if this sequence consists only of zeros (that is if there is only a finite number of nonzero digits), the decimal is said to be terminating, and is not considered as repeating.
For any integer coprime to 10, its reciprocal is a repeating decimal without any non-recurring digits. E.g. 1 ⁄ 143 = 0. 006993 006993 006993.... While the expression of a single series with vinculum on top is adequate, the intention of the above expression is to show that the six cyclic permutations of 006993 can be obtained from this repeating decimal if we select six consecutive digits ...
142857 is the best-known cyclic number in base 10, being the six repeating digits of 1 / 7 (0. 142857). [2] [3] [4] [5]If 142857 is multiplied by 2, 3, 4, 5 ...
Cyclic numbers are related to the recurring digital representations of unit fractions.A cyclic number of length L is the digital representation of . 1/(L + 1).Conversely, if the digital period of 1/p (where p is prime) is