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Computable number: A real number whose digits can be computed by some algorithm. Period: A number which can be computed as the integral of some algebraic function over an algebraic domain. Definable number: A real number that can be defined uniquely using a first-order formula with one free variable in the language of set theory.
In number theory, a pentatope number is a number in the fifth cell of any row of Pascal's triangle starting with the 5-term row 1 4 6 4 1, either from left to right or from right to left. It is named because it represents the number of 3-dimensional unit spheres which can be packed into a pentatope (a 4-dimensional tetrahedron ) of increasing ...
Codes 880 through 882 were used (until 1 April 2004) to allow international customers to access toll-free numbers they otherwise could not by paying the international portion of the toll. 880 was paired with 800, 881 with 888, and 882 with 877. [21] 888: toll-free telephone service: March 1, 1996: created; 889: not in use; available for toll ...
Lloyd wanted to return to New York. [1] The role was not recast; instead, the new character of Megan Reeves replaced Terry, who was written out as having been reassigned to Washington. Robert Bianco of USA Today considered Lloyd a standout in the supporting cast but criticized the characters making up Don's team as lacking in originality. [2]
2-digit number: The diameter of the tire in inches. x: Separator character. 3- or 4-digit number: The section width (cross-section) of the tire in inches. If the tire diameter is not given, section widths ending in zero (e.g., 7.00 or 10.50) indicate the aspect ratio of 92%, while section widths not ending in zero (e.g., 7.05 or 10.55) indicate ...
Area code 520 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Arizona. The numbering plan area comprises Tucson and most of the southeastern part of the state.
7710 = number of primitive polynomials of degree 17 over GF(2) [18] 7714 – square pyramidal number [19] 7727 – safe prime; 7739 – member of the Padovan sequence [20] 7741 = number of trees with 15 unlabeled nodes [21] 7744 = 88 2, square palindrome not ending in 0; 7750 – triangular number; 7753 – super-prime; 7770 – tetrahedral ...
Automatic number identification (ANI) in some central office switching systems in the numbering plan area started operation on October 11, 1992. The new area code entered service on October 11, 1993. Permissive dialing of 416 continued across the Golden Horseshoe until January 1, 1994.