A206159 - cp's OEIS frontend

A206159 Numbers needing at most two digits to write all positive divisors in decimal representation.

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	11
7	13
8	17
9	19
10	22
11	31
12	33
13	41
14	55
15	61
16	71
17	77
18	101
19	113
20	121
21	131
22	151
23	181
24	191
25	199
26	211
27	311
28	313
29	331
30	661
31	811
32	881
33	911
34	919
35	991
36	1111
37	1117
38	1151
39	1171
40	1181
41	1511
42	1777
43	1811
44	1999
45	2111
46	2221
47	3313
48	3331
49	4111
50	4441
51	6661
52	7177
53	7717
54	8111
55	9199
56	10111
57	11113

[1, 2, 3, 5, 7, 11, 13, 17, 19, 22, 31, 33, 41, 55, 61, 71, 77, 101, 113, 121, 131, 151, 181, 191, 199, 211, 311, 313, 331, 661, 811, 881, 911, 919, 991, 1111, 1117, 1151, 1171, 1181, 1511, 1777, 1811, 1999, 2111, 2221, 3313, 3331, 4111, 4441, 6661, 7177, 7717, 8111, 9199, 10111, 11113]

cp's OEIS Frontend

A206159 Numbers needing at most two digits to write all positive divisors in decimal representation.

Table of values

List of values