Misc

  • Q is the only letter that does not appear in any U.S. state name.
  • 6455 = (64 – 5) × 5
  • North Dakota’s record high temperature (121°F) is higher than Florida’s (109°F).
  • UNNOTICEABLY contains the vowels A, E, I, O, and U in reverse order.
  • “An odd thought strikes me: We shall receive no letters in the grave.” — Samuel Johnson

No Man’s Land

On the border between Egypt and Sudan is a small trapezoid of landlocked desert, about 2,000 square kilometers.

Egypt says it belongs to Sudan. Sudan says it belongs to Egypt.

That makes Bir Tawil the only land area in the world (outside of Antarctica) that’s not claimed by any state.

Pieces of Pi

In the decimal expansion of π:

  • the digits 27182818 — the first eight digits of e — appear at position 1,526,800.
  • the digits 14142135 — the first eight digits of the square root of 2 — appear at position 52,638.
  • the first eight digits of π itself — 31415926 — reappear at position 50,366,472.
  • 16470 appears at position 16470.
  • there are seven 7s at position 3,346,228, eight 8s at position 46,663,520, and six 9s at position 762.
  • The White House switchboard number (456-1414) is at position 3,193,808, the population of France (65,073,482) is at position 98,709,092, and Disneyland’s zip code (92802) is at position 41,112.

Write out the alphabet starting with J:

JKLMNOPQRSTUVWXYZABCDEFGHI

Erase all letters that have left-right symmetry (such as A) and count the letters in each of the five groups that remain. (James Davis)