'21,' By The Numbers: Billboard Breaks Down Adele's Breakout Sophomore Release
'21,' By The Numbers: Billboard Breaks Down Adele's Breakout Sophomore Release

A busy week on the Billboard Hot 100 finds Adele reclaiming the apex and rapper B.o.B blasting into the top 10.

Additionally, as previously reported, Rihanna roars to a 20th Hot 100 top 10 faster than any other solo artist, as "We Found Love," featuring Calvin Harris, darts 16-9 in its second chart week.

Adele offsets the cancellation of her upcoming U.S. tour with a return to the summit, as "Someone Like You" rebounds 2-1. The song had spent one previous frame atop the Hot 100 (Sept. 17) following her performance of the ballad at the MTV Video Music Awards Aug. 28.

"Someone" lifts 2-1 on Hot Digital Songs with download sales of 222,000, according to Nielsen SoundScan. It holds at No. 2 on Hot 100 Airplay with 123 million audience impressions, according to Nielsen BDS. The song bullets at No. 2 on the Adult Top 40 and Triple A radio charts and earns Greatest Gainer honors on Mainstream Top 40 (6-3) and Adult Contemporary (13-11).

Having banked three Hot 100 top 10s last year from his debut Billboard 200 No. 1 album, "B.o.B Presents: the Adventures of Bobby Ray," rapper B.o.B previews his forthcoming second set, as its title cut, "Strange Clouds," bounds onto the Hot 100 at No. 7. The track, co-written and -produced by Dr. Luke and featuring Lil Wayne, begins at No. 3 on Hot Digital Songs with 197,000 downloads.

B.o.B's debut collection yielded the Hot 100 No. 1 "Nothin' on You," featuring Bruno Mars; the No. 2 "Airplanes," featuring Paramore's Hayley Williams; and, the No. 10 "Magic," featuring Weezer's Rivers Cuomo.

Elsewhere in this week's Hot 100 top 10, Maroon 5's "Moves Like Jagger," featuring Christina Aguilera, drops to No. 2 after four non-consecutive weeks on top. The track reaches a new peak in audience (138 million, up 5%) in its third week atop Hot 100 Airplay, while dipping 1-2 on Hot Digital Songs (198,000, down 15%).

Foster the People's "Pumped Up Kicks" holds at No. 3 on the Hot 100 for a sixth week. It pushes 6-3 on Hot 100 Airplay (101 million, up 5%) and slips 3-4 on Hot Digital Songs (177,000, down less than 1%).

Gym Class Heroes' "Stereo Hearts," featuring Maroon 5 frontman Adam Levine, lifts 5-4 on the Hot 100, advancing 10-7 on Hot 100 Airplay (88 million, up 14%) and retreating 5-7 on Hot Digital Songs 140,000 (up less than 1%).

LMFAO locks down the Nos. 5 and 6 spots on the Hot 100. The duo's former six-week No. 1 "Party Rock Anthem," featuring Lauren Bennett and GoonRock, descends 4-5, as follow-up "Sexy and I Know It" rises 10-6. The latter song jumps 6-5 on Hot Digital Songs (161,000, up 16%) and 45-27 on Hot 100 Airplay (40 million, up 45%).

In between B.o.B at No. 7 and Rihanna at No. 9, David Guetta's "Without You," featuring Usher, enters the Hot 100's top 10 (11-8). Guetta's third top 10 and Usher's 17th, climbs 21-16 on Hot 100 Airplay (54 million, up 18%) and holds at No. 8 on Hot Digital Songs (125,000, up 7%).

Cobra Starship's "You Make Me Feel...," featuring Sabi, rounds out the Hot 100's top 10, dropping 9-10.

All charts, including the Hot 100, Hot Digital Songs and Hot 100 Airplay, will be refreshed tomorrow (Oct. 6) on Billboard.biz.