31. Because the algebraic numbers form a field, many irrational numbers can be constructed by combining transcendental and algebraic numbers. 32. For example, the even and odd natural numbers form disjoint cofinal subsets of the set of all natural numbers. 33. The real constructible numbers form the least Euclidean field, and the Euclidean fields are precisely the ordered extensions thereof. 34. Leonardo da Vinci's " Last Supper " appears in garish colors and paint-by-number forms on a faux-wood dining table. 35. Number forms were first documented and named in 1881 by Francis Galton in " The Visions of Sane Persons ".36. One of the unrevealed numbers forms a Lingo when it is drawn ( potentially as early as the first pull ). 37. Every computable real number is arithmetical, and the arithmetical numbers form a subfield of the reals, as do the analytical numbers. 38. "' Number Forms "'is a Unicode block containing characters that have specific meaning as numbers, but are constructed from other characters. 39. Together with the ISO 3166-1 alpha-2 country code FR, the numbers form the ISO 3166-2 country subdivision codes for the metropolitan departments. 40. A number form is a mental map of numbers that automatically and involuntarily appears whenever someone who experiences number forms thinks of numbers.
