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A090725 Primes whose representation in base 16 has no alphabetic characters. 2
2, 3, 5, 7, 17, 19, 23, 37, 41, 53, 67, 71, 73, 83, 89, 97, 101, 103, 113, 131, 137, 149, 151, 257, 263, 277, 281, 293, 307, 311, 313, 337, 353, 359, 373, 389, 401, 409, 521, 547, 563, 569, 577, 593, 599, 601, 613, 617, 631, 641, 643, 647, 659, 661, 769, 773 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Subsequence of primes of A102489. - Michel Marcus, Mar 05 2016

LINKS

Zak Seidov, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[Prime[Range[400]], Max[IntegerDigits[#, 16]] < 10 & ] (* Zak Seidov, Mar 04 2016 *)

PROG

(PARI) isok(n) = isprime(n) && (vecmax(digits(n, 16)) < 10); \\ Michel Marcus, Mar 05 2016

CROSSREFS

Cf. A102489.

Sequence in context: A158015 A042995 A108222 * A276141 A214588 A089968

Adjacent sequences:  A090722 A090723 A090724 * A090726 A090727 A090728

KEYWORD

base,nonn

AUTHOR

Cino Hilliard, Jan 18 2004

EXTENSIONS

Better definition from Omar E. Pol, Dec 24 2008

STATUS

approved

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Last modified April 8 03:01 EDT 2020. Contains 333312 sequences. (Running on oeis4.)