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16 hours ago · 42 is the number of integer partition of 10: the number of ways of expressing 10 as a sum of positive integers. [14] 1111123, one of the forty-two unordered integer partitions of 10, has 42 ordered compositions, since. As a polygonal number, 42 is the first (non-trivial) fifteen-sided pentadecagonal number. [15]
