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A106093 Primes with maximal digit = 9. 9

%I #22 Sep 08 2022 08:45:17

%S 19,29,59,79,89,97,109,139,149,179,191,193,197,199,229,239,269,293,

%T 349,359,379,389,397,409,419,439,449,479,491,499,509,569,593,599,619,

%U 659,691,709,719,739,769,797,809,829,839,859,907,911,919,929,937,941,947

%N Primes with maximal digit = 9.

%C Differs from A062679 in 95th term = 1693; A062679(95) = 1691 = 19*89.

%H Amiram Eldar, <a href="/A106093/b106093.txt">Table of n, a(n) for n = 1..10000</a>

%t Select[Prime[Range[200]], Max[IntegerDigits[ # ]]==9&]

%o (Magma) [p: p in PrimesUpTo(2000) | 9 in Intseq(p)]; // _Vincenzo Librandi_, Nov 22 2015

%o (PARI) forprime(p=2, 1e3, if(vecmax(digits(p)) == 9, print1(p, ", "))) \\ _Altug Alkan_, Nov 22 2015

%Y Cf. A062679.

%Y Cf. A106100, A106099, A106098, A106097, A106096, A106095, A106094.

%K nonn,base

%O 1,1

%A _Zak Seidov_ and _Robert G. Wilson v_, May 07 2005

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Last modified July 18 09:00 EDT 2024. Contains 374378 sequences. (Running on oeis4.)