Post composite numbers and say something about it:
52-number of cards in a deck
Mathaholic | 17th most active poster | 771st most recent person to join MIFF | Person | rrr's classmate
4-the smallest composite number.
Here lies the reader who will never open this book. He is forever dead.
Taking a new step, uttering a new word, is what people fear most. ― Fyodor Dostoyevsky, Crime and Punishment
The knowledge of some things as a function of age is a delta function.