42 Fun Facts About the Number 42

In honor of my 42nd birthday, here are 42 fun facts about the number 42:

  1. 42 is the natural number following 41 and preceding 43.
  2. 42 is an even number.
  3. 42 is a pronic number.
  4. 42 is an abundant number.
  5. 42 is a Catalan number.
  6. 42 is an alternating sign matrix number.
  7. 42 is a Størmer number.
  8. 42 is a sphenic number.
  9. 42 is a primary pseudoperfect number.
  10. 42 is a pentadecagonal number.
  11. 42 is a meandric number.
  12. 42 is the sum of the first six positive even integers (2 + 4 + 6 + 8 + 10 + 12).
  13. 42  is the maximum number of points awarded in the International Baccalaureate Diploma program.
  14. 42 is a Harshad number.
  15. 42 is the number of partitions of the number 10.
  16. “42” is an episode of the television show Doctor Who.
  17. “42” is a song by Coldplay.
  18. Cassius and Brutus, the main conspirators in the assassination of Julius Caesar, died in the year 42 BC.
  19. The Gutenberg Bible contains 42 lines per page.
  20. 42 is the number of Fox Mulder’s apartment in the television show The X-Files.
  21. The door to heaven in the television show Supernatural is marked with the number 42.
  22. 42 is one of “the numbers” in the television show Lost.
  23. 42 is the atomic number for molybdenum.
  24. The Messier object M42 is magnitude 5.0 diffuse nebula in the constellation Orion, also known as the Orion Nebula.
  25. The New General Catalogue object NGC 42 is a spiral galaxy in the constellation Pegasus.
  26. Kepler-42 is a red dwarf star in the constellation Cygnus.
  27. There are 42 US gallons on a barrel of oil.
  28. The Roman numeral for 42 is XLII.
  29. William Jefferson Clinton was the 42nd president.
  30. The board game Risk has 42 territories.
  31. In Egyptian mythology, there are 42 questions asked of persons making their journey through Death.
  32. 42 is the number with which God creates the Universe in Kabbalistic tradition.
  33. 42 is the number of the French department Loire.
  34. 42 is a trick-taking game played with a standard set of double six dominoes.
  35. Pope Boniface I was the 42nd pope.
  36. Washington was the 42nd state to be admitted to the Union.
  37. 42 was the calling code assigned to Czechoslovakia.
  38. 42 is the retired jersey number of Jackie Robinson.
  39. In Japanese culture, the number 42 is considered unlucky.
  40. 42 is the car number currently driven by NASCAR driver Kyle Larson.
  41. 42 in binary is 101010.
  42. 42 is the answer to the Ultimate Question of Life, the Universe, and Everything.