7

"Seven is the leaven."

Traits of 7

 * Odd number
 * Prime number

Examples of 7

 * Seven days of the week
 * ​“Seven year itch” and seventh inning stretch
 * Seven liberal arts
 * Rome was built on seven hills
 * Seven Years’ War and the Seven Days War
 * Seven main types of dogs
 * A menorah has seven branches
 * Achilles dragged Hector’s body seven times around Troy
 * Seven major kinds of lightning
 * Seven voyages of Sinbad
 * 1 x 2 x 3 x 4 x 5 x 6 x 7 = 7 x 8 x 9 x 10
 * Seven stations of the cross
 * “One, two, three, four, five, six, seven, all good children go to heaven.”
 * Buddha meditated seven years under the Bo tree
 * The Magnificent Seven
 * Carbon has seven major structural types
 * Cleopatra VII was the famous one
 * Seven deadly sins
 * Seven parts to a dictionary entry
 * There are seven rows in the periodic table of the elements
 * Seven vital organs in the body
 * Seven vital organs in the body