A068189 - cp's OEIS frontend

A068189 Smallest positive number whose product of digits equals n, or a(n)=0 if no such number exists, i.e. when n has a prime divisor greater than 7.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	25
11	0
12	26
13	0
14	27
15	35
16	28
17	0
18	29
19	0
20	45
21	37
22	0
23	0
24	38
25	55
26	0
27	39
28	47
29	0
30	56
31	0
32	48
33	0
34	0
35	57
36	49
37	0
38	0
39	0
40	58
41	0
42	67
43	0
44	0
45	59
46	0
47	0
48	68
49	77
50	255
51	0
52	0
53	0
54	69
55	0
56	78
57	0
58	0
59	0
60	256
61	0
62	0
63	79
64	88
65	0
66	0
67	0
68	0
69	0
70	257
71	0
72	89
73	0
74	0
75	355
76	0
77	0
78	0
79	0
80	258
81	99
82	0
83	0
84	267
85	0

[1, 2, 3, 4, 5, 6, 7, 8, 9, 25, 0, 26, 0, 27, 35, 28, 0, 29, 0, 45, 37, 0, 0, 38, 55, 0, 39, 47, 0, 56, 0, 48, 0, 0, 57, 49, 0, 0, 0, 58, 0, 67, 0, 0, 59, 0, 0, 68, 77, 255, 0, 0, 0, 69, 0, 78, 0, 0, 0, 256, 0, 0, 79, 88, 0, 0, 0, 0, 0, 257, 0, 89, 0, 0, 355, 0, 0, 0, 0, 258, 99, 0, 0, 267, 0]

cp's OEIS Frontend

A068189 Smallest positive number whose product of digits equals n, or a(n)=0 if no such number exists, i.e. when n has a prime divisor greater than 7.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	25
11	0
12	26
13	0
14	27
15	35
16	28
17	0
18	29
19	0
20	45
21	37
22	0
23	0
24	38
25	55
26	0
27	39
28	47
29	0
30	56
31	0
32	48
33	0
34	0
35	57
36	49
37	0
38	0
39	0
40	58
41	0
42	67
43	0
44	0
45	59
46	0
47	0
48	68
49	77
50	255
51	0
52	0
53	0
54	69
55	0
56	78
57	0
58	0
59	0
60	256
61	0
62	0
63	79
64	88
65	0
66	0
67	0
68	0
69	0
70	257
71	0
72	89
73	0
74	0
75	355
76	0
77	0
78	0
79	0
80	258
81	99
82	0
83	0
84	267
85	0

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	25
11	0
12	26
13	0
14	27
15	35
16	28
17	0
18	29
19	0
20	45
21	37
22	0
23	0
24	38
25	55
26	0
27	39
28	47
29	0
30	56
31	0
32	48
33	0
34	0
35	57
36	49
37	0
38	0
39	0
40	58
41	0
42	67
43	0
44	0
45	59
46	0
47	0
48	68
49	77
50	255
51	0
52	0
53	0
54	69
55	0
56	78
57	0
58	0
59	0
60	256
61	0
62	0
63	79
64	88
65	0
66	0
67	0
68	0
69	0
70	257
71	0
72	89
73	0
74	0
75	355
76	0
77	0
78	0
79	0
80	258
81	99
82	0
83	0
84	267
85	0

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	25
11	0
12	26
13	0
14	27
15	35
16	28
17	0
18	29
19	0
20	45
21	37
22	0
23	0
24	38
25	55
26	0
27	39
28	47
29	0
30	56
31	0
32	48
33	0
34	0
35	57
36	49
37	0
38	0
39	0
40	58
41	0
42	67
43	0
44	0
45	59
46	0
47	0
48	68
49	77
50	255
51	0
52	0
53	0
54	69
55	0
56	78
57	0
58	0
59	0
60	256
61	0
62	0
63	79
64	88
65	0
66	0
67	0
68	0
69	0
70	257
71	0
72	89
73	0
74	0
75	355
76	0
77	0
78	0
79	0
80	258
81	99
82	0
83	0
84	267
85	0