A065723 - cp's OEIS frontend

A065723 Primes that when written in base 5, then reinterpreted in base 10, again give primes.

n	a(n)
1	2
2	3
3	13
4	23
5	41
6	71
7	83
8	101
9	163
10	191
11	211
12	281
13	283
14	311
15	331
16	463
17	503
18	571
19	613
20	653
21	701
22	743
23	823
24	863
25	881
26	983
27	1091
28	1213
29	1231
30	1283
31	1301
32	1373
33	1381
34	1423
35	1471
36	1493
37	1531
38	1543
39	1621
40	1741
41	1783
42	1861
43	1873
44	1931
45	2063
46	2203
47	2213
48	2221

[2, 3, 13, 23, 41, 71, 83, 101, 163, 191, 211, 281, 283, 311, 331, 463, 503, 571, 613, 653, 701, 743, 823, 863, 881, 983, 1091, 1213, 1231, 1283, 1301, 1373, 1381, 1423, 1471, 1493, 1531, 1543, 1621, 1741, 1783, 1861, 1873, 1931, 2063, 2203, 2213, 2221]

cp's OEIS Frontend

A065723 Primes that when written in base 5, then reinterpreted in base 10, again give primes.

Table of values

List of values