6 weeks last exactly 10! seconds
3 x 4 x 5 seconds in a minute
6 x 10 minutes in an hour
8 x hours in a day
7 days in a week
2 x weeks in 6 weeks
The decimal fractions of seven are the same 6 recurring digits, in the same order, but starting from a different digit
1/7 = 0.142857142857...
2/7 = 0.285714285714...
3/7 = 0.428571428571...
4/7 = 0.571428571428...
5/7 = 0.714285714285...
6/7 = 0.857142857142...