A129800 - cp's OEIS frontend

A129800 Prime numbers that can be written as the concatenation of two other prime numbers in exactly one way.

n	a(n)
1	23
2	37
3	53
4	73
5	113
6	137
7	173
8	193
9	197
10	211
11	223
12	229
13	233
14	241
15	271
16	283
17	293
18	307
19	311
20	331
21	337
22	347
23	353
24	359
25	367
26	379
27	383
28	389
29	397
30	433
31	503
32	523
33	541
34	547
35	571
36	593
37	613
38	617
39	673
40	677
41	719
42	733
43	743
44	761
45	773
46	977
47	1013
48	1033
49	1093
50	1097
51	1103

[23, 37, 53, 73, 113, 137, 173, 193, 197, 211, 223, 229, 233, 241, 271, 283, 293, 307, 311, 331, 337, 347, 353, 359, 367, 379, 383, 389, 397, 433, 503, 523, 541, 547, 571, 593, 613, 617, 673, 677, 719, 733, 743, 761, 773, 977, 1013, 1033, 1093, 1097, 1103]

cp's OEIS Frontend

A129800 Prime numbers that can be written as the concatenation of two other prime numbers in exactly one way.

Table of values

List of values