|
|
A069055
|
|
Largest n-digit number with only prime divisors 2 or 3 (i.e., of the form 2^a * 3^b).
|
|
1
|
|
|
9, 96, 972, 9216, 98304, 995328, 9565938, 95551488, 967458816, 9795520512, 99179645184, 990677827584, 9895604649984, 96402615118848, 976076478078336, 9882774340543152, 98716277881700352, 999502313552216064
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
OFFSET
|
1,1
|
|
LINKS
|
|
|
MATHEMATICA
|
Table[Max[Select[Flatten[Table[2^a 3^b, {a, 0, Floor[Log2[10^n]]}, {b, Floor[Log[3, 10^n]]}]], #<10^n&]], {n, 20}] (* Harvey P. Dale, Jul 03 2024 *)
|
|
CROSSREFS
|
|
|
KEYWORD
|
nonn,base
|
|
AUTHOR
|
|
|
EXTENSIONS
|
|
|
STATUS
|
approved
|
|
|
|