A034684 - cp's OEIS frontend

A034684 If n = p_1^e_1 * ... * p_k^e_k, p_1 < ... < p_k primes, then a(n) = min { p_i^e_i }.

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

[1, 2, 3, 4, 5, 2, 7, 8, 9, 2, 11, 3, 13, 2, 3, 16, 17, 2, 19, 4, 3, 2, 23, 3, 25, 2, 27, 4, 29, 2, 31, 32, 3, 2, 5, 4, 37, 2, 3, 5, 41, 2, 43, 4, 5, 2, 47, 3, 49, 2, 3, 4, 53, 2, 5, 7, 3, 2, 59, 3, 61, 2, 7, 64, 5, 2, 67, 4, 3, 2, 71, 8, 73, 2, 3, 4, 7, 2, 79, 5, 81, 2, 83, 3, 5, 2, 3, 8, 89, 2, 7, 4]

cp's OEIS Frontend

A034684 If n = p_1^e_1 * ... * p_k^e_k, p_1 < ... < p_k primes, then a(n) = min { p_i^e_i }.

Table of values

List of values

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

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

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