A129985 - cp's OEIS frontend

A129985 Multiplicative persistence of the prime numbers.

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	1
7	1
8	1
9	1
10	2
11	1
12	2
13	1
14	2
15	3
16	2
17	3
18	1
19	2
20	1
21	2
22	3
23	2
24	3
25	3
26	1
27	1
28	1
29	1
30	1
31	2
32	1
33	2
34	3
35	3
36	1
37	3
38	2
39	2
40	2
41	3
42	1
43	1
44	3
45	3
46	2
47	1
48	2
49	3
50	3
51	2
52	3
53	1
54	2
55	2
56	3
57	2
58	2
59	4
60	2
61	3
62	3
63	1
64	1
65	1
66	2
67	1
68	3
69	3
70	2
71	3
72	3
73	3
74	3
75	4
76	3
77	3
78	4
79	1
80	1
81	3
82	1
83	2
84	3
85	2
86	3
87	3
88	2
89	2
90	3
91	4
92	3
93	3
94	3
95	3
96	1
97	1
98	2
99	2
100	2

[0, 0, 0, 0, 1, 1, 1, 1, 1, 2, 1, 2, 1, 2, 3, 2, 3, 1, 2, 1, 2, 3, 2, 3, 3, 1, 1, 1, 1, 1, 2, 1, 2, 3, 3, 1, 3, 2, 2, 2, 3, 1, 1, 3, 3, 2, 1, 2, 3, 3, 2, 3, 1, 2, 2, 3, 2, 2, 4, 2, 3, 3, 1, 1, 1, 2, 1, 3, 3, 2, 3, 3, 3, 3, 4, 3, 3, 4, 1, 1, 3, 1, 2, 3, 2, 3, 3, 2, 2, 3, 4, 3, 3, 3, 3, 1, 1, 2, 2, 2]

cp's OEIS Frontend

A129985 Multiplicative persistence of the prime numbers.

Table of values

List of values

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	1
7	1
8	1
9	1
10	2
11	1
12	2
13	1
14	2
15	3
16	2
17	3
18	1
19	2
20	1
21	2
22	3
23	2
24	3
25	3
26	1
27	1
28	1
29	1
30	1
31	2
32	1
33	2
34	3
35	3
36	1
37	3
38	2
39	2
40	2
41	3
42	1
43	1
44	3
45	3
46	2
47	1
48	2
49	3
50	3
51	2
52	3
53	1
54	2
55	2
56	3
57	2
58	2
59	4
60	2
61	3
62	3
63	1
64	1
65	1
66	2
67	1
68	3
69	3
70	2
71	3
72	3
73	3
74	3
75	4
76	3
77	3
78	4
79	1
80	1
81	3
82	1
83	2
84	3
85	2
86	3
87	3
88	2
89	2
90	3
91	4
92	3
93	3
94	3
95	3
96	1
97	1
98	2
99	2
100	2

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	1
7	1
8	1
9	1
10	2
11	1
12	2
13	1
14	2
15	3
16	2
17	3
18	1
19	2
20	1
21	2
22	3
23	2
24	3
25	3
26	1
27	1
28	1
29	1
30	1
31	2
32	1
33	2
34	3
35	3
36	1
37	3
38	2
39	2
40	2
41	3
42	1
43	1
44	3
45	3
46	2
47	1
48	2
49	3
50	3
51	2
52	3
53	1
54	2
55	2
56	3
57	2
58	2
59	4
60	2
61	3
62	3
63	1
64	1
65	1
66	2
67	1
68	3
69	3
70	2
71	3
72	3
73	3
74	3
75	4
76	3
77	3
78	4
79	1
80	1
81	3
82	1
83	2
84	3
85	2
86	3
87	3
88	2
89	2
90	3
91	4
92	3
93	3
94	3
95	3
96	1
97	1
98	2
99	2
100	2

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	1
7	1
8	1
9	1
10	2
11	1
12	2
13	1
14	2
15	3
16	2
17	3
18	1
19	2
20	1
21	2
22	3
23	2
24	3
25	3
26	1
27	1
28	1
29	1
30	1
31	2
32	1
33	2
34	3
35	3
36	1
37	3
38	2
39	2
40	2
41	3
42	1
43	1
44	3
45	3
46	2
47	1
48	2
49	3
50	3
51	2
52	3
53	1
54	2
55	2
56	3
57	2
58	2
59	4
60	2
61	3
62	3
63	1
64	1
65	1
66	2
67	1
68	3
69	3
70	2
71	3
72	3
73	3
74	3
75	4
76	3
77	3
78	4
79	1
80	1
81	3
82	1
83	2
84	3
85	2
86	3
87	3
88	2
89	2
90	3
91	4
92	3
93	3
94	3
95	3
96	1
97	1
98	2
99	2
100	2