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A229106
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Prime time display in hours, minutes, seconds on a six-digit 24-hour digital clock.
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10
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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
(list;
graph;
refs;
listen;
history;
text;
internal format)
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OFFSET
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1,1
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COMMENTS
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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.
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LINKS
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EXAMPLE
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109 is in the sequence because it is prime and display the time as 00:01:09.
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MATHEMATICA
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Select[Flatten[Table[10000*hr + 100*mnt + sec, {hr, 0, 23}, {mnt, 0, 59}, {sec, 0, 59}]], PrimeQ]
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CROSSREFS
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Cf. A050246 (primes displayed on a 4-digit clock).
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KEYWORD
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nonn,fini,full,base
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AUTHOR
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STATUS
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approved
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