Question: We found love debuted as what number on the US Hot Digital Songs chart?
About the article "We Found Love", section "North America".

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In the United States, the song debuted on the "Billboard" Hot 100 chart on September 28, 2011, at number 16.
"We Found Love" became the singer's second highest debut on the chart out of her 31 Hot 100 chart entries, with the highest being Rihanna's collaboration with Eminem, "Love the Way You Lie", which debuted at number two in July 2010.
The following week, "We Found Love" rose to number nine, giving Rihanna the record for a solo artist to have amassed twenty top-ten singles in the history of the "Billboard" Hot 100 chart in the shortest amount of time.
Rihanna achieved the feat in a time span of six years and four months, surpassing the record previously held by Madonna who managed the achievement in a time span of six years and nine months.
In its sixth week on the chart, the song reached number one, giving Rihanna her eleventh number-one single thus making her only the seventh artist in the 53-year history of the chart to amass at least eleven number-one singles, behind The Beatles (20), Mariah Carey (18), Michael Jackson (13), Madonna (12), The Supremes (12) and tying with Whitney Houston.
Additionally, Rihanna moved into third place, tied with Houston, for the female artist with the most number-one singles on the chart, behind Carey and Madonna.
"We Found Love" spent 10 consecutive weeks and two additional weeks (after 3 weeks at number two) at the top of the "Billboard" Hot 100, surpassing "Umbrella" as Rihanna's longest number-one single in the country, and was the longest-running number one of 2011.
It was certified quadruple platinum by the Recording Industry Association of America (RIAA) for shipping more than 4 million digital copies.
As of May 2013, the song has sold 5 million digital copies in the US.
On August 1, 2013, "Billboard" announced that "We Found Love" is the 24th biggest Hot 100 hit of all time in the chart's 55 year history.
"We Found Love" debuted at number seven on the US Hot Digital Songs chart, with digital download sales of 117,000 after only four days according to Nielsen SoundScan.
In its fifth week, the song rose to number one, with sales of 231,000 copies, giving Rihanna her eleventh number-one song on the chart, further extending her record as the artist with the most number ones.
The song spent a second week at number one on the chart, with sales of 243,000 copies, bringing total sales to 1,057,000 copies sold, marking Rihanna's twentieth download to reach the million-selling milestone, extending her record for the most such downloads among women.
On October 12, 2011, the song debuted at number 39 on the US Hot Dance Club Songs chart and number 21 on the Pop Songs chart.
It eventually reached number one on both charts.
It is, as of 2013, the most recent song to spend at least two consecutive weeks atop the US Hot Dance Club chart.
"We Found Love" also peaked at numbers three and two on the US Latin Songs and Latin Pop Songs charts, becoming Rihanna's highest-charting single on both charts.
Furthermore, the song reached the top spot on the Canadian Hot 100 chart.
Upon the release of "Unapologetic", "No Love Allowed" charted in France, on two charts in the United Kingdom and in the United States due to strong digital downloads.
It debuted on the French Singles Chart at number 101 for the week dated December 1, 2012, and remained on the chart for one week.
On December 2, 2012, it debuted at number 131 on the UK Singles Chart, and number 24 on the UK R&B Chart.
"No Love Allowed" did not enter the US Hot R&B/Hip-Hop Songs chart, but peaked at number three on the Bubbling Under R&B/Hip-Hop Singles chart, which acts as an extension to the Hot R&B/Hip-Hop Songs chart. 
The first week, "My Love" debuted at number 178 on the U.S. "Billboard" Hot Digital Songs chart, with 9,424 digital downloads sold.
In its second week, the song climbed to number 73, accumulating almost 29,000 downloads, without promotion or music video.
It sold more than 100,000 downloads in United States.
The track debuted at number 62 on the U.S. "Billboard" Hot R&B/Hip-Hop Songs chart as the week's hot shot debut.
The following week, the song climbed to number 50.
It peaked at number 36.
This is Carey's 47th chart entry on the R&B chart.
On the U.S. "Billboard" Pop 100, the song debuted at number 90 and peaked at number 68.
It debuted at number 82 on the U.S.
Billboard Hot 100.
The song marks Carey's 39th chart entry but only her third as a featured artist.
She previously rode shotgun on Jadakiss’ "U Make Me Wanna," which peaked at number 21 in 2004 and also Busta Rhymes' I Know What You Want which peaked at number 3 in 2003.
It also debuted at number 38 on the U.S.
Mainstream R&B/Hip-Hop chart and peaked at number 25.
"My Love" ringtone debuted at number 40 on the U.S.
Hot RingMasters chart and it has reached number 21.
According to Mediabase, "My Love" has gathered 190,659,000 audience impressions and 25,546 total spins in the United States after the release.
The track debuted at number 62 on the U.S.
Hot R&B/Hip-Hop Airplay chart and it peaked at number 36.
The track debuted at number 37 on the U.S. "Billboard" Rhythmic Airplay Chart and has peaked at number 22.
Carey extends her lead as the female artist with the most charted titles in the 16-year history of the Rhythmic Airplay Chart, as The-Dream's "My Love," on which she guests, opens at number 37.
The song is Carey's 34th entry. 
Upon the release of "Mylo Xyloto", "Princess of China" debuted at its peak of number 20 on the US "Billboard" Hot 100 chart.
The song sold 105,000 digital copies in its first week and debuted at number eight on Hot Digital Songs for the chart issue dated 12 November 2011.
However, the next week it fell 56 places to number 76, representing the biggest fall for the week.
The single re-entered the US "Billboard" Hot 100 on 11 February 2012 at number 98, following the announcement that Rihanna and Coldplay are set to perform the song together at the 54th Grammy Awards.
The next week it fell off the chart again, before re-entering again on 25 February 2012 at number 75.
The single became Coldplay's fifth and Rihanna's twentieth top-twenty song in the US.
"Princess of China" debuted at number 39 on the US Pop Songs for the issue dated 14 February 2012 and later managed to peak at number 24 on 31 March 2012.
"Princess of China" debuted at its peak of number 17 on the Canadian Hot 100 on 12 November 2011 based solely on digital downloads.
The next week it dropped to number 41 before falling of the chart.
The song entered the UK Singles Chart at number 33 on 5 November 2011, after the release of "Mylo Xyloto".
The next week it dropped to number 49 before falling of the chart.
"Princess of China" re-entered the chart on 19 May 2012 at number 61.
After five weeks, the single reached its peak of number 4 and stayed on the position for one week.
The song has sold 475,000 copies in the UK in 2012, and was ranked No.
25 in the year's best-selling single list.
"Princess of China" made its singles chart debut in Ireland and the Wallonia region of Belgium on 28 October 2011.
In Ireland, the song debuted at number 22, which meant that Rihanna had four different songs from four different albums, including two of her own, in the top forty of the chart, with "We Found Love" ("Talk That Talk", 2011) featuring Calvin Harris at number one, "Princess of China" ("Mylo Xyloto", 2011) at number 22, "Fly" ("Pink Friday", 2010) with Nicki Minaj at number 30 and "Cheers (Drink to That)" ("Loud", 2010) at number 39.
In the Wallonia region of Belgium, the song debuted at number 45 on the singles chart.
In Denmark, the song debuted at number 17 on 4 November 2011.
The song re-entered the chart at number 20 on 15 June 2012 and reached its peak of seven after two weeks.
It stayed for a total of 10 weeks on the chart.
"Princess of China" debuted and peaked at number 14 for one week on the Finnish Singles Chart.
In Germany, the song debuted at number 97 in May 2012. 
Following the release of "Bionic", the song debuted on two national charts due to strong digital download sales.
In South Korea, it debuted on the International Singles Chart at number 23 during the week of July 13 to 19, 2010.
In the United States, "Bionic" debuted at number 40 on the "Billboard" Hot Digital Songs chart for and remained on the chart for one week.
It subsequently peaked at number 66 on the US "Billboard" Hot 100 chart.