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 A138566 Numbers n whose digits satisfy the following Diophantine equation: P = (X1* ... *Xr)/(X1+ ... +Xr), where P = prime number, Xi = digits of n. 1
 36, 44, 63, 66, 138, 145, 154, 159, 167, 176, 183, 195, 224, 235, 242, 253, 257, 275, 279, 297, 318, 325, 333, 345, 352, 354, 357, 375, 381, 415, 422, 435, 451, 453, 514, 519, 523, 527, 532, 534, 537, 541, 543, 572, 573, 591, 617, 671, 716, 725, 729, 735 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS EXAMPLE n = 761, we have (7*6*1)/(7+6+1) = 3; a(56)= 761. n = 792, we have (7*9*2)/(7+9+2) = 7; a(57)= 792. n = 813, we have (8*1*3)/(8+1+3) = 2; a(58)= 813. CROSSREFS Cf. A137923. Sequence in context: A266242 A274241 A062519 * A062034 A250641 A168107 Adjacent sequences:  A138563 A138564 A138565 * A138567 A138568 A138569 KEYWORD base,easy,nonn AUTHOR Ctibor O. Zizka, May 12 2008 STATUS approved

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Last modified May 22 22:13 EDT 2022. Contains 353959 sequences. (Running on oeis4.)