Katy Perry’s historic fifth No. 1 on the Hot 100 from her “Teenage Dream” album makes her one of only seven artists in the history of the Hot 100 to put together a string of five or more consecutive chart-toppers, placing her in esteemed company that includes Elvis Presley, the Beatles, Michael Jackson, Mariah Carey and Whitney Houston. So how does Perry stack-up against these music luminaries?
