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- 6174 (redirect from 6174 (number))following rule: Take any four-digit number, using at least two different digits (leading zeros are allowed). Arrange the digits in descending and then in...4 KB (494 words) - 06:23, 21 April 2024
no rod has two copies of the same table, enabling every possible four-digit number to be represented by 4 of the 10 rods. A set of 20 rods, consisting...35 KB (2,917 words) - 15:40, 14 September 2024- weights for each number position. To illustrate this, for example if the weights for a four digit number were 5, 3, 2, 7 and the number to be coded was...18 KB (2,379 words) - 10:52, 27 July 2024
- 4 (redirect from Four (number))4 (four) is a number, numeral and digit. It is the natural number following 3 and preceding 5. It is a square number, the smallest semiprime and composite...70 KB (7,131 words) - 16:47, 10 October 2024
- the toll-free prefix is "800" followed by a seven-digit number or "807" followed by a four-digit number, used for phone card services only. In Hong Kong...47 KB (6,301 words) - 07:45, 7 October 2024
- Any four-digit number (in base 10) with at least two distinct digits will reach 6174 within seven iterations. The algorithm runs on any natural number in...9 KB (2,032 words) - 23:51, 24 September 2024
- previous four-digit numbering system for passenger trains to a five-digit system on December 20, 2010. The first digit of the train number indicates...16 KB (1,560 words) - 11:06, 3 October 2024
ISBN (redirect from 9-digit SBN)format was devised in 1967, based upon the 9-digit Standard Book Numbering (SBN) created in 1966. The 10-digit ISBN format was developed by the International...61 KB (6,642 words) - 11:53, 24 September 2024- endpoints in national telephone numbering plans. In examples, a numeric digit is used only if the digit is the same in every number, and letters to illustrate...60 KB (9,001 words) - 22:15, 21 August 2024
- A merchant category code (MCC) is a four-digit number used for retail financial services to classify a business by the types of goods or services it provides...4 KB (416 words) - 03:20, 8 July 2024
- A UN number (United Nations number) is a four-digit number that identifies hazardous materials, and articles (such as explosives, flammable liquids, oxidizers...4 KB (529 words) - 07:12, 5 June 2024
NACA airfoil (section Four-digit series)airfoils and devised a numerical designation for each airfoil — a four digit number that represented the airfoil section's critical geometric properties...17 KB (2,607 words) - 05:22, 29 July 2024
Benford's law (redirect from First digit law)the law, the number 1 appears as the leading significant digit about 30% of the time, while 9 appears as the leading significant digit less than 5% of...65 KB (7,395 words) - 22:35, 27 September 2024- digit number. The first four digits of the number are the holder's year of birth (e.g.: 197419202757 for someone born in 1974). The next three digits...122 KB (15,885 words) - 20:13, 8 September 2024
- other hand, 400 is divisible by the sum of its own base 10 digits, making it a Harshad number. Four hundred is also .400 (2 hits out of 5 at-bats) is a numerically...36 KB (5,447 words) - 20:29, 2 October 2024
office (or exchange) code and a four-digit station number. The combination of an area code and the telephone number serves as a destination routing address...72 KB (8,795 words) - 00:11, 9 October 2024- English numerals (redirect from English number words)followed by a number followed by a four-digit number, later by a three-digit number followed by the four-digit number. It is avoided for numbers less than 2500...41 KB (4,495 words) - 15:21, 1 September 2024
thirteen-digit EAN-13, a superset of the original 12-digit Universal Product Code (UPC-A) standard developed in 1970 by George J. Laurer. An EAN-13 number includes...22 KB (2,470 words) - 18:34, 24 September 2024- = 63) 1007 = number that is the sum of 8 positive 5th powers 1008 = divisible by the number of primes below it 1009 = smallest four-digit prime, palindromic...158 KB (25,925 words) - 03:53, 10 October 2024
- 1906 (1906) Extra Digits and Digital Reductions by Charles W. Prentiss 1218730Popular Science Monthly Volume 68 April 1906 — Extra Digits and Digital Reductions1906Charles
- part of his mathematical equipment; the only way he could add significant digits in his calculations was to make the numbers larger. William H. Cropper,
- puzzles | Digits of the square There is one four-digit whole number n, such that the last four digits of n² are in fact the original number n. What is