Things You Didn't Know about F.R.I.E.N.D.S

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The number 27 is used a lot throughout the series.

Rachel tells a date that Monica labels her cups and uses the example cup 27.

In one episode Monica, Rachel and Phoebe wear 3 men's firemen's hats that have 27 on them.

Chandler gives Ross $27 when he feels guilty that he's seeing Monica.

Joey tells everyone that he weighed 27 pounds when he was born

When Chandler needs to replace Monica's broiling pan she tells him to order it from page 27 of their catalogue.