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...

characteristic of data that outlives the execution of the program that created it Persistence of a number, a mathematical quality of numbers Persistent...

level-index arithmetic. The additive persistence of a number, the number of times someone must replace the number by the sum of its digits before reaching its...

of a number in a number base b {\displaystyle b} . Proof: For a given number n {\displaystyle n} , the persistence of the number consisting of n {\displaystyle...

an iterate of another), and calls the number of iterations required to reach a parent, the persistence of a number under the map to obtain a home prime...

its additive persistence is three, and it is the smallest number of persistence three. All pages with titles containing 199 Sloane, N. J. A. (ed.). "Sequence...

thought to have high rates of lactase persistence because of a single mutation, lactase persistence has been traced to a number of mutations that occurred...

The persistence length is a basic mechanical property quantifying the bending stiffness of a polymer. The molecule behaves like a flexible elastic rod/beam...

of Integer Sequences. OEIS Foundation. Retrieved 2022-05-31. Sloane, N. J. A. (ed.). "Sequence A003001 (Smallest number of multiplicative persistence...

In number theory, an n-smooth (or n-friable) number is an integer whose prime factors are all less than or equal to n. For example, a 7-smooth number is...

Tuberculosis: The History and Persistence of Our Deadliest Infection is a book by American author John Green about tuberculosis, a curable disease usually brought...

The Čech complex of a point cloud is the nerve of the cover of balls of a fixed radius around each point in the cloud. A persistence module U {\displaystyle...

In mathematics, a polygonal number is a number that counts dots arranged in the shape of a regular polygon: 2-3 . These are one type of 2-dimensional figurate...

natural numbers a and b, a + b = b + a and a × b = b × a. Existence of identity elements: for every natural number a, a + 0 = a and a × 1 = a. If the natural...

A prime number (or a prime) is a natural number greater than 1 that is not a product of two smaller natural numbers. A natural number greater than 1 that...

In number theory, friendly numbers are two or more natural numbers with a common abundancy index, the ratio between the sum of divisors of a number and...

L and S with a given total duration results in the Fibonacci numbers: the number of patterns of duration m units is Fm+1. Knowledge of the Fibonacci...

mathematics, a Fermat number, named after Pierre de Fermat (1607–1665), the first known to have studied them, is a positive integer of the form: F n...

method of forecasting the weather, persistence, relies upon today's conditions to forecast tomorrow's. This can be valid when the weather achieves a steady...

In number theory, a perfect number is a positive integer that is equal to the sum of its positive proper divisors, that is, divisors excluding the number...

2 = 6). That is, 86 is equal to the sum of the numbers formed in calculating its multiplicative persistence. In American English, and particularly in...

A persistence module is a mathematical structure in persistent homology and topological data analysis that formally captures the persistence of topological...

the stability of topological features throughout a growing family of spaces. Formally, a persistence barcode consists of a multiset of intervals in the...

cube of a number n is its third power, that is, the result of multiplying three instances of n together. The cube of a number n is denoted n3, using a superscript...

A composite number is a positive integer that can be formed by multiplying two smaller positive integers. Accordingly it is a positive integer that has...

In number theory, a congruent number is a positive integer that is the area of a right triangle with three rational number sides. A more general definition...

In mathematics, a Mersenne prime is a prime number that is one less than a power of two. That is, it is a prime number of the form Mn = 2n − 1 for some...

1918. In a sociable sequence, each number is the sum of the proper divisors of the preceding number, i.e., the sum excludes the preceding number itself...

restrictions, the number of candidates for k {\displaystyle k} -digit numbers with record-breaking persistence is only proportional to the square of k {\displaystyle...

In mathematics, a square number or perfect square is an integer that is the square of an integer; in other words, it is the product of some integer with...