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Baker's gross dots

169 black dots arranged in 13 x 13 square

169 is a number following 168 and preceding 170. This number is called baker's gross – 169 = 132.[1]

It is also the number of hours in the fall DST transition week.

Properties[]

169 is a perfect square (132).

132 is also equal to its prime factorization.

It's a sum of 7 prime numbers from 13 to 37 (13 + 17 + 19 + 23 + 29 + 31 + 37).

Sources[]

See also[]

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