#1

Of those numbers whose English representation in capital letters consists only of straight lines, only one number has a value equal to the number of straight line segments required to write it out. What number is this?

#2

What word is pronounced differently when the first letter is capitalized?

#3

Punctuate the following so it makes sense: "That that is is that that is not is not is not that it it is."

#4

What word begins with 'h', ends with 'n', contains six letters, and contains eight words besides itself without transposing a single letter?