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A285228 Primes with integer arithmetic mean of digits = 8 in base 10. 6
79, 97, 6899, 8699, 8969, 9689, 9887, 49999, 68899, 69997, 77899, 78889, 78979, 79699, 79987, 85999, 88789, 88897, 88969, 89599, 89689, 89779, 89797, 89959, 89977, 94999, 95989, 96799, 96979, 96997, 97789, 97879, 97987, 98689, 98779, 98869, 98887, 99679, 99787 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Jaroslav Krizek, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[Prime@ Range@ PrimePi[10^5], Mean@ IntegerDigits@ # == 8 &] (* Michael De Vlieger, Apr 22 2017 *)

PROG

(MAGMA) [n: n in [1..100000] | IsPrime(n) and &+Intseq(n) mod #Intseq(n) eq 0 and &+Intseq(n) / #Intseq(n) eq 8]

CROSSREFS

Primes from A061425. Subsequence of A069709.

Sequences of primes such that a(n) = k for k = 1, 2, 4, 5, 7 and 8: A069710 (k = 1), A285096 (k = 2), A285225 (k = 4), A285226 (k = 5), A285227 (k = 7), this sequence (k = 8).

Sequence in context: A044039 A065211 A106757 * A087537 A117840 A296012

Adjacent sequences:  A285225 A285226 A285227 * A285229 A285230 A285231

KEYWORD

nonn,base

AUTHOR

Jaroslav Krizek, Apr 19 2017

STATUS

approved

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Last modified September 20 14:21 EDT 2020. Contains 337264 sequences. (Running on oeis4.)