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25 is the sum of the five consecutive single-digit odd natural numbers 1, 3, 5, 7, and 9. 25 is a centered octagonal number, [1] a centered square number, [2] a centered octahedral number, [3] and an automorphic number. [4] 25 percent (%) is equal to 1 4 . It is the smallest decimal Friedman number as it can be expressed by its own ...
A prime number (or prime) is a natural number greater than 1 that has no positive divisors other than 1 and ... 25 p − 1 ≡ 1 (mod p 2): 2, 20771, 40487, 53471161, ...
17 – Sagan Tosu retired the number in dedication to their fans. 27 – Bournemouth use squad number for the Steve Fletcher Stand which houses the large majority of hardcore supporters, the number 50 for "12th man" and the number 99 shirt for their mascot, Cherry Bear. 33 – Remo reserve the number for their supporters.
A list of articles about numbers (not about numerals). Topics include powers of ten, notable integers, prime and cardinal numbers, and the myriad system.
Manganese is a chemical element; it has symbol Mn and atomic number 25. It is a hard, brittle, silvery metal, often found in minerals in combination with iron. Manganese was first isolated in the 1770s. It is a transition metal with a multifaceted array of industrial alloy uses, particularly in stainless steels.
A number is a mathematical object used to count, ... [25] and Méray. The search for roots of quintic and higher degree equations was an important development, ...
A chemical element, often simply called an element, is a type of atom which has a specific number of protons in its atomic nucleus (i.e., a specific atomic number, or Z). [ 1 ] The definitive visualisation of all 118 elements is the periodic table of the elements , whose history along the principles of the periodic law was one of the founding ...
The golden ratio is also an algebraic number and even an algebraic integer. It has minimal polynomial. This quadratic polynomial has two roots, and. The golden ratio is also closely related to the polynomial. which has roots and As the root of a quadratic polynomial, the golden ratio is a constructible number.