In less than two full days on sale, "FourFiveSeconds" sold 53,000 downloads, according to Nielsen Music, good for a No. 19 debut on the Digital Songs chart. It also logged 24 million in out-of-the-box audience through Jan. 28 (aided by hourly plays on participating iHeartMedia-owned stations on Jan. 25).
The fact that Britney had SEVEN FULL DAYS since it was released on a Monday and not a Tuesday