Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A048889
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A048889 Composite numbers not ending in zero that yield a prime when turned upside down. +0
2
68, 116, 118, 161, 166, 169, 188, 608, 616, 1006, 1018, 1066, 1081, 1096, 1106, 1108, 1118, 1169, 1186, 1606, 1618, 1808, 1816, 1898, 1916, 1918, 1969, 1981, 1988, 1996, 6001, 6008, 6016, 6098, 6188, 6191, 6196, 6616, 6668, 6698, 6808, 6809, 6881, 6896 (list; graph; listen)
OFFSET

1,1

EXAMPLE

68 is not prime, yet when turned upside down gives 89 which is prime.

CROSSREFS

Sequence in context: A044036 A045268 A039540 this_sequence A111379 A044191 A044572

Adjacent sequences: A048886 A048887 A048888 this_sequence A048890 A048891 A048892

KEYWORD

base,easy,nonn,nice

AUTHOR

G. L. Honaker, Jr. (honak3r(AT)gmail.com)

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 18 21:37 EST 2009. Contains 171024 sequences.


AT&T Labs Research