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SoundScanner: How Does 'Prism' Stack Up Against Katy Perry's Other Albums?

Katy Perry has the biggest album in all the land, but how did her sales rank against her past chart performances? #SoundScanner has the answer to that and a look at the rest of this week's chart happenings. Tricks, treats – we've got both. Let's go!

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Katy Perry in a pink bikini

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The 55th Annual GRAMMY Awards - Backstage And Audience

The 55th Annual GRAMMY Awards - Show

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Purple carpet party in honor of Katy Perry in Mexico City

LACOSTE L!VE 4th Annual Desert Pool Party - Day 1

Premiere Of Paramount Insurge's "Katy Perry: Part Of Me" - Performance

29th Annual ASCAP Pop Music Awards - Arrivals

2011 American Music Awards - Arrivals

LOS ANGELES, CA - NOVEMBER 20: Singer Katy Perry arrives at the 2011 American Music Awards held at Nokia Theatre L.A. LIVE on November 20, 2011 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)

"Katy Perry: Part Of Me" Australian Premiere

The 54th Annual GRAMMY Awards - Show

Miu Miu: Arrivals - Paris Fashion Week Womenswear Fall/Winter 2012

Erin Fetherston - Front Row - MBFW Spring 08

Nickelodeon's 26th Annual Kids' Choice Awards - Arrivals

The USO Presents "VH1 Divas Salute The Troops" - Roaming Inside

Katy Perry In Concert

Katy Perry Performs In Brisbane

SONY BMG Grammy Party - Arrivals

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Vans "Warped Tour" 15th Anniversary Show In Los Angeles

Perry's Prism tops chart: She is Katy, hear her roar. Katy Perry's Prism tops SoundScan's Top Current Albums chart this week, selling 286,000 copies its first week. That's Perry's best sales frame to date; her 2010 album Teenage Dream debuted at No. 1 with 192,000 sales, and her 2008 debut One of the Boys started at No. 9 with 47,000 sales. Prism outsold the week's No. 2 album, Pearl Jam's Lightning Bolt, by a more than 6 to 1 margin. Perry also lands 10 entries on the Digital Songs chart: "Roar" (No. 8), "Unconditionally" (No. 22), "By the Grace of God" (No. 71), "Birthday" (No. 122), "It Takes Two" (No. 145), "Legendary Lovers" (No. 146), "This Moment" (No. 158), "This Is How We Do" (No. 162), "Dark Horse" (No. 191) and, why not, "Firework" (No. 199). Those 10 songs sold a combined 260,000 downloads. So yeah, Katy Perry had a pretty good week.

Lorde returns to singles throne: After briefly relinquishing her sales crown to Eminem, Lorde is back at No. 1 on the Digital Songs chart with "Royals." In its 20th week on the chart, the song sold an additional 222,000 downloads, bringing its total to just under 3 million sales. The gap between "Royals" and the week's No. 2 song, Avicii's "Wake Me Up" is sizable, with 63,000 sales separating the two. Lorde is holding strong on the albums chart as well, where her Pure Heroine comes in at No. 5 this week, one spot below Miley Cyrus' Bangerz. Pure Heroine is off just 16 percent from last week (Bangerz, in comparison, dropped 40 percent from last week), and the surprise hit has sold an impressive 279,000 copies in four weeks. If trends continue, it could outsell Bangerz on next week's chart.

Gaga, Swift, Bieber debut: A trio of pop giants make debuts on this week's Digital Songs chart, beginning with Lady Gaga, whose collaboration with R. Kelly, "Do What U Want," debuts at No. 3 with 156,000 downloads. Next up is Taylor Swift, whose "Sweeter Than Fiction" (from the soundtrack to the Paul Potts biopic One Chance") debuts at No. 6 with 114,000 sales. And Justin Bieber hits No. 7 with "Hold Tight," the last offering from his "Music Mondays" series. Meanwhile, Bieber's "All That Matters," which arrived at No. 6 last week, falls to No. 77 this week on an 85 percent sales slide.

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Hunter Hayes goes platinum: A little more than two years after it was released, Hunter Hayes' self-titled debut album (No. 72 this week) crosses the platinum sales marker. The set sold just under 5,000 copies this week, bringing its total sales to 1.002 million. The 22-year-old country star's album was helped along by a deluxe reissue which came out in June; the week it was released, the album reached a chart peak of No. 7.

Halloween hits the charts early: Christmas music is starting to impact the charts, but what about Halloween music? The full impact of Halloween downloads won't be felt until next week's charts, but there are a few sneak peeks of what's to come. Michael Jackson's "Thriller" sold 23,000 downloads this week, coming in at No. 61, up 100 spots from last week. Elsewhere, the answer to the question, "who you gonna call?" is still a resounding "Ghostbusters," as Ray Parker Jr.'s 1984 theme song pops up at No. 119 on this week's Digital Songs chart, adding 13,000 downloads to its tally, bringing its total sales to 622,000. And Danny Elfman's Nightmare Before Christmas offering "This is Halloween" sneaks onto the chart at No. 195 with more than 8,100 downloads. Spooky stuff, indeed.