You're technically correct. However, The Will Rogers Follies ran for 981 (official) performances and 33 previews for a total of 1014 showings. Therefore, the show was performed 1014 times at the Palace theatre.
Applause had a total run of 896 performances and 4 previews so the show was performed 900 times at the Palace. Bells Are Ringing ran for 924 performances at the Shubert and Alvin Theatres. Both shows were considered long running hits for their era.