A006753 - cp's OEIS frontend

A006753 Smith (or joke) numbers: composite numbers k such that sum of digits of k = sum of digits of prime factors of k (counted with multiplicity).

n	a(n)
1	4
2	22
3	27
4	58
5	85
6	94
7	121
8	166
9	202
10	265
11	274
12	319
13	346
14	355
15	378
16	382
17	391
18	438
19	454
20	483
21	517
22	526
23	535
24	562
25	576
26	588
27	627
28	634
29	636
30	645
31	648
32	654
33	663
34	666
35	690
36	706
37	728
38	729
39	762
40	778
41	825
42	852
43	861
44	895
45	913
46	915
47	922
48	958
49	985
50	1086
51	1111
52	1165
53	1219

[4, 22, 27, 58, 85, 94, 121, 166, 202, 265, 274, 319, 346, 355, 378, 382, 391, 438, 454, 483, 517, 526, 535, 562, 576, 588, 627, 634, 636, 645, 648, 654, 663, 666, 690, 706, 728, 729, 762, 778, 825, 852, 861, 895, 913, 915, 922, 958, 985, 1086, 1111, 1165, 1219]

cp's OEIS Frontend

A006753 Smith (or joke) numbers: composite numbers k such that sum of digits of k = sum of digits of prime factors of k (counted with multiplicity).

Table of values

List of values