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A052028 Primes base 10 that remain primes in six bases b, 2<=b<=10, expansions interpreted as decimal numbers. 7
157, 523, 1249, 1483, 1753, 4051, 9187, 10531, 22921, 25981, 29599, 35899, 51031, 57751, 67579, 79939, 98323, 103561, 110581, 148471, 150193, 150343, 249703, 259183, 277063, 278623, 331081, 335833, 353401, 391903, 424819, 435553, 504547 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Sebastian Petzelberger, Table of n, a(n) for n = 1..10000

C. Rivera, PP&P Puzzle 24: Primes in several bases

MATHEMATICA

Select[Prime[Range@ 42000], Count[PrimeQ /@ Table[FromDigits[IntegerDigits[#, i]], {i, 2, 10}], True] == 6 &] (* Michael De Vlieger, Mar 20 2015, after Harvey P. Dale at A052032 *)

CROSSREFS

Cf. A038537, A052026-A052033.

Sequence in context: A096708 A142833 A142478 * A226972 A142766 A326442

Adjacent sequences:  A052025 A052026 A052027 * A052029 A052030 A052031

KEYWORD

nonn,base

AUTHOR

Patrick De Geest, Dec 15 1999

STATUS

approved

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Last modified February 26 11:03 EST 2020. Contains 332279 sequences. (Running on oeis4.)