A229106 Prime time display in hours, minutes, seconds on a six-digit 24-hour digital clock.

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 101, 103, 107, 109, 113, 127, 131, 137, 139, 149, 151, 157, 211, 223, 227, 229, 233, 239, 241, 251, 257, 307, 311, 313, 317, 331, 337, 347, 349, 353, 359, 401, 409, 419, 421, 431, 433, 439, 443

Offset: 1

Author

Shyam Sunder Gupta, Sep 13 2013

Keywords

• nonn
• fini
• full
• base

Comments

Leading zeros are ignored, so the term a(3) = 5, for example, corresponds to the display 00:00:05. Sequence has 7669 entries. The first 211 terms are the same as in A050246.

Examples

			109 is in the sequence because it is prime and display the time as 00:01:09.
		

Links

• Shyam Sunder Gupta, Table of n, a(n) for n = 1..7669 (complete sequence)

Crossrefs

Cf. A050246 (primes displayed on a 4-digit clock).

Programs

Mathematica

Select[Flatten[Table[10000*hr + 100*mnt + sec, {hr, 0, 23}, {mnt, 0, 59}, {sec, 0, 59}]], PrimeQ]