A235156 -id:A235156 - cp's OEIS frontend

A235155 Primes which have one or more occurrences of exactly three different digits.

103, 107, 109, 127, 137, 139, 149, 157, 163, 167, 173, 179, 193, 197, 239, 241, 251, 257, 263, 269, 271, 281, 283, 293, 307, 317, 347, 349, 359, 367, 379, 389, 397, 401, 409, 419, 421, 431, 439, 457, 461, 463, 467, 479, 487, 491, 503, 509, 521, 523, 541, 547

Offset: 1

Colin Barker, Jan 04 2014

The first term having a repeated digit is 1009.

Christopher M. Conrey, Table of n, a(n) for n = 1..10000 (first 2000 terms from Colin Barker)
Christopher M. Conrey, MATLAB Program

Cf. A235154, A235156, A235157, A235158, A235159, A235160, A235161.

Cf. A074675.

MATLAB
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%See Conrey Link
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Select[Prime[Range[200]],Count[DigitCount[#],0]==7&] (* Harvey P. Dale, Jul 27 2020 *)

s=[]; forprime(n=100, 1000, if(#vecsort(eval(Vec(Str(n))),,8)==3, s=concat(s, n))); s

A235157 Primes which have one or more occurrences of exactly five different digits.

Original entry on oeis.org

10243, 10247, 10253, 10259, 10267, 10273, 10289, 10357, 10369, 10427, 10429, 10453, 10457, 10459, 10463, 10487, 10529, 10567, 10589, 10597, 10627, 10639, 10657, 10687, 10723, 10729, 10739, 10753, 10789, 10837, 10847, 10853, 10859, 10867, 10937, 10957

Offset: 1

Colin Barker, Jan 04 2014

The first term having a repeated digit is 100237.

There are 2,529 5-digit primes in the sequence. Harvey P. Dale, Feb 06 2015

Colin Barker, Table of n, a(n) for n = 1..2500

Cf. A235154-A235156, A235158-A235161.

Cf. A074671.

Select[Prime[Range[1255,1355]],Max[DigitCount[#]]==1&] (* The program is only accurate for 5-digit primes, of which there are 2529 satisfying the definition *) (* Harvey P. Dale, Feb 06 2015 *)

s=[]; forprime(n=10000, 13000, if(#vecsort(eval(Vec(Str(n))),,8)==5, s=concat(s, n))); s

cp's OEIS Frontend

A235155 Primes which have one or more occurrences of exactly three different digits.

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