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Search: id:A052020
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A052020 Sum of digits of n is a prime factor of n. +0
7
12, 20, 21, 30, 50, 70, 102, 110, 111, 120, 133, 140, 200, 201, 209, 210, 230, 247, 300, 308, 320, 322, 364, 407, 410, 476, 481, 500, 506, 511, 605, 629, 700, 704, 715, 782, 803, 832, 874, 902, 935, 1002, 1010, 1011, 1015, 1020, 1040, 1066, 1088, 1100, 1101 (list; graph; listen)
OFFSET

0,1

CROSSREFS

Cf. A052018, A052019, A052021, A052022, A007953, A005349, A028834.

Sequence in context: A138166 A046418 A038528 this_sequence A075078 A050421 A065201

Adjacent sequences: A052017 A052018 A052019 this_sequence A052021 A052022 A052023

KEYWORD

nonn,base,easy

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Nov 15 1999.

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Last modified December 4 15:11 EST 2009. Contains 170347 sequences.


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