Songs whose highest chart position is in the title of the song

stayin' alive by the bee gees reached #4 in the uk.

^ if only they'd done one long AAAAAAH instead of ah ah ah ah

https://en.wikipedia.org/wiki/Thirty-Three_(song)

“In Canada it coincidentally finished at number 33 on the RPM Alternative 30 year-end chart for 1997.”

Spice Girls, “2 Become 1”: #1 in several countries (including the UK), #2 in several others.

(Sadly, when Faithless tried to pull the same trick a couple of years later with “We Come 1” they didn’t get higher than #2 or 3)

and, inspired in part by del griffith:

”Number 9” by T-ara reached #5 in South Korea’s Gaon chart and #4 in its Hot 100, adding up to a combined peak of... number 9.