Properties of the Number -4644

Six Hundred Forty-Four

Basics

Value: -4645 → -4644 → -4643

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ³ × 43

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 27, 36

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1001000100100

Octal: -11044

Duodecimal: -2830

Hexadecimal: -1224

Square: 21566736

Square Root: 68.14690014960328

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

a(n) = 3·a(n-2) - a(n-3) with a(0)=0, a(1)=3, a(2)=0. A214699

Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of (3i-2 if i=j and = 0 otherwise), as in A204160. A204161

Number of superdiagonal partitions: partitions (p1, p2, p3, ...) of n such that π >= i. A238873

Expansion of (1/(1-x²))*∏_m>=0 1/(1-x^2m+1). A38348

Coordination sequence for (3,5,5) tiling of hyperbolic plane. A265076

Numbers k such that k² is expressible as the sum of two positive cubes in at least one way. A50801

Number of compositions (ordered partitions) of n into distinct prime parts. A219107

BII-numbers of blobs. A326751

G.f.: (1+x⁸+x⁹+x¹⁰+x¹⁸)/((1-x²)*(1-x³)*(1-x⁴)*(1-x⁵)*(1-x⁶)*(1-x⁷)). A97851

Number of aperiodic binary toroidal necklaces of size n. A323865