A190998 - cp's OEIS frontend

A190998 Digital root of concatenation of all divisors of n (A037278).

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	3
7	8
8	6
9	4
10	9
11	3
12	1
13	5
14	6
15	6
16	4
17	9
18	3
19	2
20	6
21	5
22	9
23	6
24	6
25	4
26	6
27	4
28	2
29	3
30	9
31	5
32	9
33	3
34	9
35	3
36	1
37	2
38	6
39	2
40	9
41	6
42	6
43	8
44	3
45	6
46	9
47	3
48	7
49	3
50	3
51	9
52	8
53	9
54	3
55	9
56	3
57	8
58	9
59	6
60	6
61	8
62	6
63	5
64	1
65	3
66	9
67	5
68	9
69	6
70	9
71	9
72	6
73	2
74	6
75	7
76	5
77	6
78	6
79	8
80	6
81	4
82	9
83	3
84	8
85	9
86	6
87	3
88	9
89	9
90	9
91	4
92	6
93	2
94	9
95	3
96	9
97	8
98	9
99	3
100	1
101	3
102	9
103	5
104	3
105	3

[1, 3, 4, 7, 6, 3, 8, 6, 4, 9, 3, 1, 5, 6, 6, 4, 9, 3, 2, 6, 5, 9, 6, 6, 4, 6, 4, 2, 3, 9, 5, 9, 3, 9, 3, 1, 2, 6, 2, 9, 6, 6, 8, 3, 6, 9, 3, 7, 3, 3, 9, 8, 9, 3, 9, 3, 8, 9, 6, 6, 8, 6, 5, 1, 3, 9, 5, 9, 6, 9, 9, 6, 2, 6, 7, 5, 6, 6, 8, 6, 4, 9, 3, 8, 9, 6, 3, 9, 9, 9, 4, 6, 2, 9, 3, 9, 8, 9, 3, 1, 3, 9, 5, 3, 3]

cp's OEIS Frontend

A190998 Digital root of concatenation of all divisors of n (A037278).

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	3
7	8
8	6
9	4
10	9
11	3
12	1
13	5
14	6
15	6
16	4
17	9
18	3
19	2
20	6
21	5
22	9
23	6
24	6
25	4
26	6
27	4
28	2
29	3
30	9
31	5
32	9
33	3
34	9
35	3
36	1
37	2
38	6
39	2
40	9
41	6
42	6
43	8
44	3
45	6
46	9
47	3
48	7
49	3
50	3
51	9
52	8
53	9
54	3
55	9
56	3
57	8
58	9
59	6
60	6
61	8
62	6
63	5
64	1
65	3
66	9
67	5
68	9
69	6
70	9
71	9
72	6
73	2
74	6
75	7
76	5
77	6
78	6
79	8
80	6
81	4
82	9
83	3
84	8
85	9
86	6
87	3
88	9
89	9
90	9
91	4
92	6
93	2
94	9
95	3
96	9
97	8
98	9
99	3
100	1
101	3
102	9
103	5
104	3
105	3

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	3
7	8
8	6
9	4
10	9
11	3
12	1
13	5
14	6
15	6
16	4
17	9
18	3
19	2
20	6
21	5
22	9
23	6
24	6
25	4
26	6
27	4
28	2
29	3
30	9
31	5
32	9
33	3
34	9
35	3
36	1
37	2
38	6
39	2
40	9
41	6
42	6
43	8
44	3
45	6
46	9
47	3
48	7
49	3
50	3
51	9
52	8
53	9
54	3
55	9
56	3
57	8
58	9
59	6
60	6
61	8
62	6
63	5
64	1
65	3
66	9
67	5
68	9
69	6
70	9
71	9
72	6
73	2
74	6
75	7
76	5
77	6
78	6
79	8
80	6
81	4
82	9
83	3
84	8
85	9
86	6
87	3
88	9
89	9
90	9
91	4
92	6
93	2
94	9
95	3
96	9
97	8
98	9
99	3
100	1
101	3
102	9
103	5
104	3
105	3

n	a(n)
1	1
2	3
3	4
4	7
5	6
6	3
7	8
8	6
9	4
10	9
11	3
12	1
13	5
14	6
15	6
16	4
17	9
18	3
19	2
20	6
21	5
22	9
23	6
24	6
25	4
26	6
27	4
28	2
29	3
30	9
31	5
32	9
33	3
34	9
35	3
36	1
37	2
38	6
39	2
40	9
41	6
42	6
43	8
44	3
45	6
46	9
47	3
48	7
49	3
50	3
51	9
52	8
53	9
54	3
55	9
56	3
57	8
58	9
59	6
60	6
61	8
62	6
63	5
64	1
65	3
66	9
67	5
68	9
69	6
70	9
71	9
72	6
73	2
74	6
75	7
76	5
77	6
78	6
79	8
80	6
81	4
82	9
83	3
84	8
85	9
86	6
87	3
88	9
89	9
90	9
91	4
92	6
93	2
94	9
95	3
96	9
97	8
98	9
99	3
100	1
101	3
102	9
103	5
104	3
105	3