A037279 - cp's OEIS frontend

A037279 If n is composite, replace n with the concatenation of its nontrivial divisors, otherwise a(n) = n.

n	a(n)
1	1
2	2
3	3
4	2
5	5
6	23
7	7
8	24
9	3
10	25
11	11
12	2346
13	13
14	27
15	35
16	248
17	17
18	2369
19	19
20	24510
21	37
22	211
23	23
24	2346812
25	5
26	213
27	39
28	24714
29	29
30	23561015
31	31
32	24816
33	311
34	217
35	57
36	234691218
37	37
38	219
39	313
40	24581020
41	41
42	23671421
43	43
44	241122
45	35915
46	223
47	47
48	23468121624
49	7

[1, 2, 3, 2, 5, 23, 7, 24, 3, 25, 11, 2346, 13, 27, 35, 248, 17, 2369, 19, 24510, 37, 211, 23, 2346812, 5, 213, 39, 24714, 29, 23561015, 31, 24816, 311, 217, 57, 234691218, 37, 219, 313, 24581020, 41, 23671421, 43, 241122, 35915, 223, 47, 23468121624, 7]

cp's OEIS Frontend

A037279 If n is composite, replace n with the concatenation of its nontrivial divisors, otherwise a(n) = n.

Table of values

List of values