Sum of the Arts
Number of recorded chess matches played by Marcel Duchamp = 72

Sum of the Arts is a periodic tabulation of numbers floating around the art world and beyond.
- Number of times a week the rotunda of the Guggenheim is touched up with various shades of white paint = 2–4
- Number of giraffes sculpted on the 40-foot bronze statue of the Archangel Michael battling Satan outside St. John the Divine in Manhattan = 9
- Number of colors in the first Pantone Matching System guide, issued in 1963 = 10
- Number of deaths by selfie this year = 12 (compared to 8 fatal shark attacks)
- Percentage of the 237,000 square feet of storage in Luxembourg’s Le Freeport luxury warehouse rented to firms directly dealing with art collectors = 60
- Number of recorded chess matches played by Marcel Duchamp = 72
- Number of people in New York who have won The New Yorker cartoon caption contest = 87 (the most of any state)
- Length in feet of the newest permanent dinosaur cast — a recently discovered Titanosaurus — at the American Museum of Natural History = 122 (longer than their 94-foot blue whale model)
- Year in which Mark Twain was profoundly unimpressed with Leonardo da Vinci’s art in Europe: “I am satisfied that the Last Supper was a very miracle of art once. But it was three hundred years ago.” = 1867
- Amount (in US$) paid for Stonehenge at a 1915 auction = 10,070 (£6,600) or ~$237,608 today
- Number of sunflowers planted in a maze outside the Van Gogh Museum in Amsterdam = 125,000