A277217 - cp's OEIS frontend

A277217 Numbers k for which the sum of digits of sigma(k) = the product of digits of sigma(k).

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	86
8	126
9	131
10	206
11	207
12	311
13	1123
14	1213
15	2113
16	4111
17	10921
18	12211
19	16581
20	21121
21	21211
22	22111
23	39660
24	51558
25	52940
26	60812
27	61504
28	63548
29	68822
30	81303
31	83409
32	87081
33	87451
34	89708
35	94523
36	97307
37	106118
38	108527
39	110387
40	111611
41	120831
42	160271

[1, 2, 3, 4, 5, 7, 86, 126, 131, 206, 207, 311, 1123, 1213, 2113, 4111, 10921, 12211, 16581, 21121, 21211, 22111, 39660, 51558, 52940, 60812, 61504, 63548, 68822, 81303, 83409, 87081, 87451, 89708, 94523, 97307, 106118, 108527, 110387, 111611, 120831, 160271]

cp's OEIS Frontend

A277217 Numbers k for which the sum of digits of sigma(k) = the product of digits of sigma(k).

Table of values

List of values