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In other words, the n th digit of this number is 1 only if n is one of the numbers 1! = 1, 2! = 2, 3! = 6, 4! = 24, etc. Liouville showed that this number belongs to a class of transcendental numbers that can be more closely approximated by rational numbers than can any irrational algebraic number, and this class of numbers are called Liouville ...
An abundant number whose abundance is greater than any lower number is called a highly abundant number, and one whose relative abundance (i.e. s(n)/n ) is greater than any lower number is called a superabundant number; Every integer greater than 20161 can be written as the sum of two abundant numbers. The largest even number that is not the sum ...
In mathematics, the persistence of a number is the number of times one must apply a given operation to an integer before reaching a fixed point at which the operation no longer alters the number. Usually, this involves additive or multiplicative persistence of a non-negative integer, which is how often one has to replace the number by the sum ...
In computer networking and telecommunication, collision-avoidance methods try to avoid resource contention by attempting to avoid simultaneous attempts to access the same resource. Collision-avoidance methods include prior scheduling of timeslots , carrier-detection schemes, randomized access times, and exponential backoff after collision ...
Avoidance is a British comedy drama television series made for BBC One starring Romesh Ranganathan, Lisa McGrillis, Mandeep Dhillon, Jessica Knappett and Kieran ...
Hazard elimination is a hazard control strategy based on completely removing a material or process causing a hazard.Elimination is the most effective of the five members of the hierarchy of hazard controls in protecting workers, and where possible should be implemented before all other control methods.
Safety overall has steadily improved in the United States for many decades. Between 1920 and 2000, the rate of fatal automobile crashes per vehicle-mile decreased by a factor of about 17.
The IAEA investigative report INSAG-7 later stated, "Apparently, there was a widespread view that the conditions under which the positive scram effect would be important would never occur. However, they did appear in almost every detail in the course of the actions leading to the Chernobyl accident." [20]: 13