login
Numbers that are unchanged when turned upside down, when written in a font in which 7 looks like upside-down 2.
0

%I #9 Jan 01 2024 14:21:27

%S 0,1,8,11,27,69,72,88,96,101,111,181,207,217,287,609,619,689,702,712,

%T 782,808,818,888,906,916,986,1001,1111,1271,1691,1721,1881,1961,2007,

%U 2117,2277,2697,2727,2887,2967,6009,6119,6279,6699,6729,6889,6969,7002

%N Numbers that are unchanged when turned upside down, when written in a font in which 7 looks like upside-down 2.

%K nonn,easy

%O 1,3

%A _J. Lowell_, Dec 10 1999

%E Corrected and extended by _Jon E. Schoenfield_, Apr 08 2010