A085629 - cp's OEIS frontend

A085629 Let b(n) equal the product of the exponents in the prime factorization of n. Then a(n) gives the least k such that b(k) = n.

n	a(n)
1	1
2	4
3	8
4	16
5	32
6	64
7	128
8	144
9	216
10	288
11	2048
12	432
13	8192
14	1152
15	864
16	1296
17	131072
18	1728
19	524288
20	2592
21	3456
22	18432
23	8388608
24	5184
25	7776
26	73728
27	13824
28	10368
29	536870912
30	15552
31	2147483648
32	20736
33	55296
34	1179648
35	31104
36	41472
37	137438953472
38	4718592

[1, 4, 8, 16, 32, 64, 128, 144, 216, 288, 2048, 432, 8192, 1152, 864, 1296, 131072, 1728, 524288, 2592, 3456, 18432, 8388608, 5184, 7776, 73728, 13824, 10368, 536870912, 15552, 2147483648, 20736, 55296, 1179648, 31104, 41472, 137438953472, 4718592]

cp's OEIS Frontend

A085629 Let b(n) equal the product of the exponents in the prime factorization of n. Then a(n) gives the least k such that b(k) = n.

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List of values