141 = 3 x 47.
141 = 3 x 47
142 = 2 x 71
143 = 11 x 13
144 = 24 x 32
145 = 5 x 29
146 = 2 x 73
147 = 7 x 72
148 = 22 x 37
141 is the first numerical palindrome that appears in the decimal expansion of pi: 3.14159 . . .
Cullen numbers have the form n2n + 1. They are prime for n = 1, 141, 4713, 5795, 6611, and 18496, and composite for every other n less than or equal to 30,000.
Source: Roger B. Eggleton and James A. MacDougall. 2008. Consecutive integers with equally many principal divisors. Mathematics Magazine 81(October):235-248.
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