Which of these artists doesn't fit this list

[Da King]

20, the Beatles
18, Mariah Carey
13, Michael Jackson
13, Rihanna
12, Madonna
12, the Supremes
11, Whitney Houston
10, Janet Jackson
10, Stevie Wonder

Spoiler

most number 1 singles

 

[Artificial Intelligence]

.......................

 

[MiC]

Rih just got that 13th number 1 today with The Monster going to number 1.

I thought a lot of those 13 would have been as a feature artist but really 10 were hers. Only features were "live my life" by TI and the 2 massive worldwide chart topping eminem hits