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A158340 Composite numbers k such that number of prime factors of k + number of divisors of k = prime. +0
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4, 8, 9, 25, 27, 30, 32, 36, 42, 49, 64, 66, 70, 72, 78, 100, 102, 105, 108, 110, 114, 121, 125, 130, 148, 154, 165, 170, 174, 180, 182, 186, 190, 195, 196, 200, 222, 225, 230, 231, 238, 243, 246, 252, 255, 256, 258, 266, 273, 282, 285, 286, 290, 300, 310, 318, 322 (list; graph; listen)
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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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