- A
composite number is a
positive integer that can be
formed by
multiplying two
smaller positive integers. Equivalently, it is a
positive integer that has...
-
highly composite number is a
positive integer with more
divisors than any
smaller positive integer has. A
related concept is that of a
largely composite number...
- 6 (six) is the
natural number following 5 and
preceding 7. It is a
composite number and the
smallest perfect number. Six is the
smallest positive integer...
- In
number theory, a
superior highly composite number is a
natural number which, in a
particular rigorous sense, has many divisors. Particularly, it is...
-
number,
numeral and digit. It is the
natural number following 3 and
preceding 5. It is a
square number, the
smallest semiprime and
composite number,...
-
composite number. For example, 5 is
prime because the only ways of
writing it as a product, 1 × 5 or 5 × 1,
involve 5 itself. However, 4 is
composite...
-
harmonic divisor number 108,968 =
number of
signed trees with 11
nodes 109,376 =
automorphic number 110,880 =
highly composite number 111,111 = repunit...
-
aliquot sequence of only one
composite number (35,13,1,0) to the
Prime in the 13-aliquot tree. 35 is the
second composite number with the
aliquot sum 13;...
-
natural number following 15 and
preceding 17. 16 is the
ninth composite number, and a
square number,
being 42 = 4 × 4. It is the
smallest number with exactly...
-
natural number following 11 and
preceding 13.
Twelve is a
superior highly composite number,
divisible by the
numbers 2, 3, 4, and 6. It is the
number of years...