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Ω(n), the prime omega function, is the number of prime factors of n counted with multiplicity (so it is the sum of all prime factor multiplicities). A prime number has Ω(n) = 1. The first: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37 (sequence A000040 in the OEIS). There are many special types of prime numbers. A composite number has Ω(n) > 1.
Coagulation factor XII, also known as Hageman factor, is a plasma protein involved in coagulation. It is the zymogen form of factor XIIa ( EC 3.4.21.38 ), an enzyme of the serine protease (or serine endopeptidase) class.
1 = factor 1 2 = factor 2 3 = factor 3 12 = interaction of factor 1 and factor 2 13 = interaction of factor 1 and factor 3 23 = interaction of factor 2 and factor 3 123 = interaction of factors 1, 2, and 3. A ranked list of important factors. That is, least squares estimated factor effects ordered from largest in magnitude (most significant) to ...
If none of its prime factors are repeated, it is called squarefree. (All prime numbers and 1 are squarefree.) For example, 72 = 2 3 × 3 2, all the prime factors are repeated, so 72 is a powerful number. 42 = 2 × 3 × 7, none of the prime factors are repeated, so 42 is squarefree. Euler diagram of numbers under 100:
The divisors of 10 illustrated with Cuisenaire rods: 1, 2, 5, and 10. In mathematics, a divisor of an integer , also called a factor of , is an integer that may be multiplied by some integer to produce . [1] In this case, one also says that is a multiple of .
3 6: Octal: 3 8: Duodecimal: 3 12: ... This is true for 3 as well (with = 2), but in this case the smaller factor is 1. If is greater than 2, both − 1 ...
Many companies have stopped using red dye No. 3 in recent years. One is Just Born, the company that makes Peeps; it switched to using red dye No. 40, one of many synthetic dyes still on the market.
In mathematics, factorization (or factorisation, see English spelling differences) or factoring consists of writing a number or another mathematical object as a product of several factors, usually smaller or simpler objects of the same kind. For example, 3 × 5 is an integer factorization of 15, and (x – 2)(x + 2) is a polynomial ...