|
Search: id:A107697
|
|
|
| A107697 |
|
Primes with digital product = 12. |
|
+0
11
|
|
| 43, 223, 431, 1223, 1621, 2161, 2213, 3221, 6121, 6211, 11261, 11621, 12161, 12611, 13411, 21611, 26111, 41113, 41131, 61121, 61211, 111143, 111341, 111431, 112213, 114113, 114311, 121123, 121321, 122131, 123121, 131221, 141131, 141311, 143111
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
MATHEMATICA
|
Union[ Flatten[ Table[ Select[ Sort[ FromDigits /@ Join[ Permutations[ Flatten[{2, 6, Table[1, {n - 1}]}]], Permutations[ Flatten[{3, 4, Table[1, {n - 1}]}]], Permutations[ Flatten[{2, 2, 3, Table[1, {n - 2}]}] ]]], PrimeQ[ # ] & ], {n, 0, 5}]]]
|
|
CROSSREFS
|
Cf. A004022, A107612, A107689, A107690, A107691, A107692, A107693, A107694, A107695, A107696, A107698.
Adjacent sequences: A107694 A107695 A107696 this_sequence A107698 A107699 A107700
Sequence in context: A043375 A038479 A142334 this_sequence A142450 A142632 A140012
|
|
KEYWORD
|
base,nonn
|
|
AUTHOR
|
Zak Seidov (zakseidov(AT)yahoo.com) and Robert G. Wilson v (rgwv(AT)rgwv.com), May 20 2005
|
|
|
Search completed in 0.002 seconds
|
