Issue date Song Artist (s) Reference (s) January 1 "Let Me Love You '' Mario January 8 January 15 January 22 January 29 February 5 February 12 February 19 February 26 March 5 "Candy Shop '' 50 Cent featuring Olivia March 12 March 19 March 26 April 2 April 9 April 16 April 23 April 30 May 7 "Hollaback Girl '' Gwen Stefani May 14 May 21 May 28 June 4 "We Belong Together '' Mariah Carey June 11 June 18 June 25 July 2 "Inside Your Heaven '' Carrie Underwood July 9 "We Belong Together '' Mariah Carey July 16 July 23 July 30 August 6 August 13 August 20 August 27 September 3 September 10 September 17 "Gold Digger '' Kanye West featuring Jamie Foxx September 24 October 1 October 8 October 15 October 22 October 29 November 5 November 12 November 19 November 26 "Run It! '' Chris Brown December 3 December 10 December 17 December 24 December 31 "Do n't Forget About Us '' Mariah Carey
what was the number 1 song in august 2005
"We Belong Together '' "We Belong Together ''