Tracklist
| Number One (Radio Mix) | 3:25 | |
| Number One (Extended Mix) | 7:29 | |
| Number One (So Solid Remix) | 4:37 |
Versions
| Title, Format | Label | Cat# | Country | Year | |
|---|---|---|---|---|---|
| Number One (CDr, Promo) | Source UK | PGCDR 006 | UK | 2001 | |
| Number One (So Solid Crew Mixes) (12") | Playgroup | PGVP005 | UK | 2001 | |
| Number One (12") | Source UK | SOURTX 026 | UK | 2001 | |
| Number One (12") | Source UK | SOURT 026 | UK | 2001 | |
| Number One (2x12", Promo) | Source UK | PGVP006 | UK | 2001 | |
| Number One (CD, Maxi) | Source UK | PGCDP006 | UK | 2001 | |
| Number One (CD, Single, Enh) | Source UK, Source UK | SOURCD026, 7243 5 46006 0 9 | UK | 2001 | |
| Number One (12", Promo) | Astralwerks | ASW 69994-1 | US | 2002 |