- In mathematics, a square-free
integer (or
squarefree integer) is an
integer which is
divisible by no
square number other than 1. That is, its
prime factorization...
- in
duodecimal (222) and a
palindromic number in
septenary (626) Is a
squarefree semiprime Forms a
Pythagorean triple with 170 and 264 Is the
closest integer...
- of its
prime factors are repeated, it is
called squarefree. (All
prime numbers and 1 are
squarefree.) For example, 72 = 23 × 32, all the
prime factors...
- it has
exactly eight divisors. All
sphenic numbers are by
definition squarefree,
because the
prime factors must be distinct. The Möbius
function of any...
-
Semiprimes that are not
square numbers are
called discrete, distinct, or
squarefree semiprimes: 6, 10, 14, 15, 21, 22, 26, 33, 34, 35, 38, 39, 46, 51, 55...
- square-free
integer A
semiprime that is not
square numbers is
called a
squarefree semiprime, and 58 is
among them. 58 is
equal to the sum of the
first seven...
-
pyramidal number, and the 4th
centered nonagonal number. 55 is also the 15th
squarefree semiprime, and the 19th semiprime, as well as the 32nd
nontotient number...
-
Retrieved 2024-07-19. Sloane, N. J. A. (ed.). "Sequence A075819 (Even
squarefree numbers with
exactly 3
prime factors.)". The On-Line
Encyclopedia of Integer...
- was
published in 2016. The Erdős
squarefree conjecture that
central binomial coefficients C(2n, n) are
never squarefree for n > 4 was
proved in 1996. The...
- This is the
condition that it
should be a
subfield of Q(ζn)
where n is a
squarefree odd number. This
result was
introduced by Hilbert (1897, Satz 132, 1998...
