Definition of Deficient number. Meaning of Deficient number. Synonyms of Deficient number

Here you will find one or more explanations in English for the word Deficient number. Also in the bottom left of the page several parts of wikipedia pages related to the word Deficient number and, of course, Deficient number synonyms and on the right images related to the word Deficient number.

Definition of Deficient number

Deficient number
Deficient De*fi"cient, a. [L. deficiens, -entis, p. pr. of deficere to be wanting. See Defect.] Wanting, to make up completeness; wanting, as regards a requirement; not sufficient; inadequate; defective; imperfect; incomplete; lacking; as, deficient parts; deficient estate; deficient strength; deficient in judgment. The style was indeed deficient in ease and variety. --Macaulay. Deficient number. (Arith.) See under Abundant. -- De*fi"cient-ly, adv.

Meaning of Deficient number from wikipedia

- In number theory, a deficient number or defective number is a positive integer n for which the sum of divisors of n is less than 2n. Equivalently, it...
- nontotient number (including odd numbers > 1) the 36th arithmetic number, the 38th composite number (where the abundance of 55 = - 38), the 43rd deficient number...
- sphenic number, an extravagant number, a lucky number, a polite number, an amenable number, and a deficient number. 777 is a congruent number, as it is...
- distinct previously occurring Ulam numbers in a sequence. 69 is a deficient number because the sum of its proper divisors (which excludes itself) is less...
- higher prime. a deficient number, a lucky number, a bell number (i.e., the number of partitions for a set of size 4), a pentatope number, and a repdigit...
- the natural number following 168 and preceding 170. 169 is an odd number, a composite number, and a deficient number. 169 is a square number: 13 × 13 =...
- fifty-five) is the natural number following 154 and preceding 156. 155 is: a composite number a semiprime. a deficient number, since 1+5+31=37<155. odious...
- natural number following 164 and preceding 166. 165 is: an odd number, a composite number, and a deficient number. a sphenic number. a tetrahedral number. the...
- 1291. It is classified as an apocalyptic power, a deficient number, and an evil number: The number 1289 is called an apocalyptic power because 21289 contains...
- mathematics, an almost perfect number (sometimes also called slightly defective or least deficient number) is a natural number n such that the sum of all...