A209192 - cp's OEIS frontend

A209192 Numbers n such that digital root of n equals largest prime factor of n.

n	a(n)
1	2
2	3
3	5
4	7
5	12
6	48
7	50
8	70
9	128
10	192
11	196
12	320
13	448
14	500
15	700
16	768
17	1960
18	2401
19	3072
20	3200
21	4480
22	5000
23	5488
24	7000
25	8192
26	8575
27	12288
28	12544
29	19600
30	20480
31	24010
32	28672
33	30625
34	32000
35	44800
36	49152
37	50000
38	54880
39	67228
40	70000
41	78125
42	85750
43	109375
44	125440

[2, 3, 5, 7, 12, 48, 50, 70, 128, 192, 196, 320, 448, 500, 700, 768, 1960, 2401, 3072, 3200, 4480, 5000, 5488, 7000, 8192, 8575, 12288, 12544, 19600, 20480, 24010, 28672, 30625, 32000, 44800, 49152, 50000, 54880, 67228, 70000, 78125, 85750, 109375, 125440]

cp's OEIS Frontend

A209192 Numbers n such that digital root of n equals largest prime factor of n.

Table of values

List of values