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  2. Divisibility rule - Wikipedia

    en.wikipedia.org/wiki/Divisibility_rule

    Using the example above: 16,499,205,854,376 has four of the digits 1, 4 and 7 and four of the digits 2, 5 and 8; since 4 − 4 = 0 is a multiple of 3, the number 16,499,205,854,376 is divisible by 3. Subtracting 2 times the last digit from the rest gives a multiple of 3. (Works because 21 is divisible by 3)

  3. Multiple (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Multiple_(mathematics)

    14, 49, −21 and 0 are multiples of 7, whereas 3 and −6 are not. This is because there are integers that 7 may be multiplied by to reach the values of 14, 49, 0 and −21, while there are no such integers for 3 and −6.

  4. 12 (number) - Wikipedia

    en.wikipedia.org/wiki/12_(number)

    12 (twelve) is the natural number following 11 and preceding 13.. Twelve is the 3rd superior highly composite number, [1] the 3rd colossally abundant number, [2] the 5th highly composite number, and is divisible by the numbers from 1 to 4, and 6, a large number of divisors comparatively.

  5. Decision problem - Wikipedia

    en.wikipedia.org/wiki/Decision_problem

    A decision problem is a yes-or-no question on an infinite set of inputs. It is traditional to define the decision problem as the set of possible inputs together with the set of inputs for which the answer is yes. [1] These inputs can be natural numbers, but can also be values of some other kind, like binary strings or strings over some other ...

  6. 18 songs have reached No. 1 on the Billboard Hot 100 chart ...

    www.aol.com/16-songs-reached-no-1-110301694.html

    The former debuted at No. 2 on the Hot 100, then rose to No. 1 after its first full week of tracking. (Billboard tracks sales and streams from Friday to Thursday.) The song remained atop the chart ...

  7. College Football Playoff format changes: What's potentially ...

    www.aol.com/sports/college-football-playoff...

    Despite being ranked No. 9 and No. 12 by the CFP selection committee, the Broncos and Sun Devils were seeded No. 3 and No. 4 as required by a format rule designating the four highest-ranked ...

  8. Square number - Wikipedia

    en.wikipedia.org/wiki/Square_number

    The sum of the first odd integers, beginning with one, is a perfect square: 1, 1 + 3, 1 + 3 + 5, 1 + 3 + 5 + 7, etc. This explains Galileo's law of odd numbers : if a body falling from rest covers one unit of distance in the first arbitrary time interval, it covers 3, 5, 7, etc., units of distance in subsequent time intervals of the same length.

  9. College Football Playoff: Which teams are in position for the ...

    www.aol.com/sports/college-football-playoff...

    The College Football Playoff cake is getting close to baked, which means much of the angst and anger of the past few weeks over hypothetical and projected scenarios have proved a waste of time.