Any number divided by 7 follows a pattern of repeating decimals.

All 7x+1 numbers divided by 7 have a repeating decimal of y.142857… 7x+2 / 7 = y.285714… 7x+3 / 7 = y.428571… 7x+4 / 7 = y.571428… 7x+5 / 7 = y.714285… 7x+6 / 7 = y.857142

A fun exercise is to calculate the weeks that a number of days takes up, and use this guide to figure weeks. 934 days / 7 = 133.428571, or 133 weeks and 3 days.

Another fun fact is this expression– 142857 x 7 = 999,999

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