Properties of the Number -5664

Six Hundred Sixty-Four

Basics

Value: -5665 → -5664 → -5663

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ⁵ × 3 × 59

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -1011000100000

Octal: -13040

Duodecimal: -3340

Hexadecimal: -1620

Square: 32080896

Square Root: 75.25955088890711

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

G.f. A(x) satisfies: A(x) = A(x² - x³)/x. A273218

Riordan array (1-u, u) where u=(-1 + sqrt(1+8·x))/4. A110292

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of the symmetric matrix A203001; by antidiagonals. A203002

Rhonda numbers to base 10. A99542

Table of coefficients of polynomials related to the Dirichlet η function. A156919

Number of subsets of {1..n} with elements disjoint from first differences of elements. A364463

T(n,k)=Number of length n+k 0..3 arrays with at most one downstep in every k consecutive neighbor pairs. A258730

A triangle related to the a(n) formulas of the rows of the ED4 array A167584. A167591

Products of the 5th power of a prime and 2 distinct primes (p⁵*q·r). A179667

Array T(n,k) read by antidiagonals: T(n,k) is the number of [n,k]-triangulations in the plane that have reflection symmetry, n >= 0, k >= 0. A169809