Translation for 'perfect number' from English to Bulgarian
 NOUN a perfect number | perfect numbers
 мат. perfect number {noun} съвършено число {ср} Partial Matches perfect {adj} съвършен number {noun} число {ср} to number {verb} номерирам number {noun} брой {м} мат. square number {noun} квадратно число {ср} мат. tetrahedral number {noun} тетраедрално число {ср} decimal number {noun} десетично число {ср} inventory number {noun} инвентарен номер {м} phone number {noun} телефонен номер {м} мат. prime number {noun} просто число {ср} мат. random number {noun} случайно число {ср} number {noun}  номер {м} <№> информ. floating point number {noun} число {ср} с плаваща запетая мат. triangular pyramidal number {noun} триъгълното пирамидално число {ср} химия CAS (regisrty) number {noun} регистрационен номер {м} в CAS фин. International Bank Account Number {noun}  международен номер {м} на банкова сметка
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Usage Examples English
• 6 (six) is the natural number following 5 and preceding 7. It is a composite number and the smallest perfect number.
• No Fibonacci number can be a perfect number.
• For example, we can determine whether a given integer is a perfect number, even though we do not have a formula for the "n"th perfect number.
• A related concept is that of a perfect number, which is a number that equals the sum of "its own" proper divisors, in other words a number which forms an aliquot sequence of period 1.
• In mathematics, a multiply perfect number (also called multiperfect number or pluperfect number) is a generalization of a perfect number.

• The sum of those numbers 1 + 2 + 3 + 4 = 10 was for Pythagoreans the perfect number, because it contained in itself "the whole essential nature of numbers".
• Furthermore, all even perfect numbers besides 6 have 44 as the final two digits when expressed in senary, which is proven by the fact that every even perfect number is of the form [...] , where [...] is prime.
• This is equivalent to describing a perfect number [...] as having a sum of divisors [...] equal to [...].