|
Search: id:A069661
|
|
|
| A069661 |
|
Smallest n-digit prime with maximum digit sum. |
|
+0
12
|
|
| 7, 89, 997, 8999, 98999, 989999, 9899999, 89999999, 998999999, 9899989999, 98999999999, 999998999999, 8998999999999, 99899999999999, 999999899999999, 9998999999999999, 99999999999899999, 999998999999999999, 9998999999999999999, 89999999999999999999
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
CROSSREFS
|
a(n) = A069662(n) for these n <= 20: 1, 2, 3, 4, 6, 7, 9, 17 and 19. a(5) = Reverse(A069662(5)).
Sequence in context: A121044 A107109 A089771 this_sequence A069662 A062747 A099719
Adjacent sequences: A069658 A069659 A069660 this_sequence A069662 A069663 A069664
|
|
KEYWORD
|
nonn,base
|
|
AUTHOR
|
Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Apr 05 2002
|
|
EXTENSIONS
|
Corrected and extended by Rick L. Shepherd (rshepherd2(AT)hotmail.com), Jul 15 2002. a(5) through a(20) have been certified prime with Primo.
|
|
|
Search completed in 0.002 seconds
|
