Eighteen 

Eighteen is a composite number, its proper divisors being 1, 2, 3, 6 and 9.

18 is the age limit for being allowed a driver's license in many parts of the world.

Over forest and hillside and deep! In those beautiful lands over there, With the wee one consigned to his care. In amazement: "Oh, my!" And only we two You and I, little precious! shall know! SWING HIGH AND SWING LOW swing.html">swing.html">swing.html">Swing high and swing low It's off for a sailor thy father would go/go.html">go; He hath left his wee babe with my song.html">song and with me: While the breezes they blow.html">blow.html">blow!" Swing high and swing low It's oh for the waiting as weary days go! I sing my song over and over again: While the breezes they blow!" "Swing high and swing low " - And it waileth anon in its ebb and its flow; Nor recketh he ever of mine or of me! While the breezes they blow - When I was a boy.html">boy.html">boy.html">boy.html">boy.html">boy, a little boy, Bringing a tide.html">tide of dreams.html">dreams that swept Bathing the tangled curly head, With the dimples on the sun-browned cheek - When I was a boy, a little boy! Over my folded eyelids seemed And to bring me glimpses of times to be Ah! that was the sweetest dream of all, When I was a boy, a little boy! Bringing her tide of dreams to sweep From the heart.html">heart that is weary and faint to-day; A peace I have never known since then - And play.html">play.html">play.html">play that papa is your beau; Just as we used to, long ago. Are just as happy as we can be, And you say "I love.html">love.html">love you" to me! All in earnest and all in play. Or, play that you are that other one And play that the light of years agone Playing that you are the one I knew I'll say "I love you" to you, I love you!" my heart shall say For your own sweet self, with that dual guise And the look of that other in your eyes! .

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