A lucky number, in number theory, is a natural number generated by a particular sieve algorithm.
Lucky number may also refer to:
Film and television The Lucky Number, a 1933 British comedy film Lucky Number (film), a 1951 Donald Duck cartoon Lucky Numbers, a 2000 American comedy film #Lucky Number, a 2015 film starring Tom Pelphrey Lucky Numbers (TV series), a 1995–1997 British game show
Music Lucky Number (album) or the title song, by Jolin Tsai, 2001 Lucky Numbers (album), by Frank Sinatra, 1998 Lucky Number: The Best of Lene Lovich, an album by Lene Lovich, 2004 "Lucky Number" (song), by Lene Lovich, 1979 "Lucky Number", a song by Saves the Day from Saves the Day, 2013
Other uses Lucky numbers of Euler, producing prime-generating polynomials A number believed to affect one's luck Lucky number combinations, an element of Chinese numerology Lucky Numbers, a discontinued Cadbury product