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Perfect number

Perfect Per"fect, a. [OE. parfit, OF. parfit, parfet, parfait, F. parfait, L. perfectus, p. p. of perficere to carry to the end, to perform, finish, perfect; per (see Per-) + facere to make, do. See Fact.] 1. Brought to consummation or completeness; completed; not defective nor redundant; having all the properties or qualities requisite to its nature and kind; without flaw, fault, or blemish; without error; mature; whole; pure; sound; right; correct. My strength is made perfect in weakness. --2 Cor. xii. 9. Three glorious suns, each one a perfect sun. --Shak. I fear I am not in my perfect mind. --Shak. O most entire perfect sacrifice! --Keble. God made thee perfect, not immutable. --Milton. 2. Well informed; certain; sure. I am perfect that the Pannonains are now in arms. --Shak. 3. (Bot.) Hermaphrodite; having both stamens and pistils; -- said of flower. Perfect cadence (Mus.), a complete and satisfactory close in harmony, as upon the tonic preceded by the dominant. Perfect chord (Mus.), a concord or union of sounds which is perfectly coalescent and agreeable to the ear, as the unison, octave, fifth, and fourth; a perfect consonance; a common chord in its original position of keynote, third, fifth, and octave. Perfect number (Arith.), a number equal to the sum of all its divisors; as, 28, whose aliquot parts, or divisors, are 14, 7, 4, 2, 1. See Abundant number, under Abundant. --Brande & C. Perfect tense (Gram.), a tense which expresses an act or state completed.

Perfect Per"fect, a. [OE. parfit, OF. parfit, parfet, parfait, F. parfait, L. perfectus, p. p. of perficere to carry to the end, to perform, finish, perfect; per (see Per-) + facere to make, do. See Fact.] 1. Brought to consummation or completeness; completed; not defective nor redundant; having all the properties or qualities requisite to its nature and kind; without flaw, fault, or blemish; without error; mature; whole; pure; sound; right; correct. My strength is made perfect in weakness. --2 Cor. xii. 9. Three glorious suns, each one a perfect sun. --Shak. I fear I am not in my perfect mind. --Shak. O most entire perfect sacrifice! --Keble. God made thee perfect, not immutable. --Milton. 2. Well informed; certain; sure. I am perfect that the Pannonains are now in arms. --Shak. 3. (Bot.) Hermaphrodite; having both stamens and pistils; -- said of flower. Perfect cadence (Mus.), a complete and satisfactory close in harmony, as upon the tonic preceded by the dominant. Perfect chord (Mus.), a concord or union of sounds which is perfectly coalescent and agreeable to the ear, as the unison, octave, fifth, and fourth; a perfect consonance; a common chord in its original position of keynote, third, fifth, and octave. Perfect number (Arith.), a number equal to the sum of all its divisors; as, 28, whose aliquot parts, or divisors, are 14, 7, 4, 2, 1. See Abundant number, under Abundant. --Brande & C. Perfect tense (Gram.), a tense which expresses an act or state completed.

- In number theory, a perfect number is a positive integer that is equal to the sum of its positive divisors, excluding the number itself. For instance...

- unitary perfect number is an integer which is the sum of its positive proper unitary divisors, not including the number itself. (A divisor d of a number n is...

- Perfect Number (Korean: 용의자X; RR: Yonguija X; lit. Suspect X) is a 2012 South Korean mystery-drama film directed by Bang Eun-jin. Adapted from Keigo Higashino's...

- perfect number (also called multiperfect number or pluperfect number) is a generalization of a perfect number. For a given natural number k, a number...

- mathematics, an almost perfect number (sometimes also called slightly defective or least deficient number) is a natural number n such that the sum of...

- F. Armstrong) or a plus perfect number) is a number that is the sum of its own digits each raised to the power of the number of digits. This definition...

- In number theory, a perfect totient number is an integer that is equal to the sum of its iterated totients. That is, we apply the totient function to...

- Some ranks may change later if smaller perfect numbers are discovered. It is known there is no odd perfect number below 101500 ≈ 24983. GIMPS reported that...

- of symmetry. A cube number, or a perfect cube, or sometimes just a cube, is a number which is the cube of an integer. The perfect cubes up to 603 are...

- 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...

- unitary perfect number is an integer which is the sum of its positive proper unitary divisors, not including the number itself. (A divisor d of a number n is...

- Perfect Number (Korean: 용의자X; RR: Yonguija X; lit. Suspect X) is a 2012 South Korean mystery-drama film directed by Bang Eun-jin. Adapted from Keigo Higashino's...

- perfect number (also called multiperfect number or pluperfect number) is a generalization of a perfect number. For a given natural number k, a number...

- mathematics, an almost perfect number (sometimes also called slightly defective or least deficient number) is a natural number n such that the sum of...

- F. Armstrong) or a plus perfect number) is a number that is the sum of its own digits each raised to the power of the number of digits. This definition...

- In number theory, a perfect totient number is an integer that is equal to the sum of its iterated totients. That is, we apply the totient function to...

- Some ranks may change later if smaller perfect numbers are discovered. It is known there is no odd perfect number below 101500 ≈ 24983. GIMPS reported that...

- of symmetry. A cube number, or a perfect cube, or sometimes just a cube, is a number which is the cube of an integer. The perfect cubes up to 603 are...

- 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...

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