Properties of the Number -1544

Five Hundred Forty-Four

Basics

Value: -1545 → -1544 → -1543

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 193

Divisors: 1, 2, 4, 8, 193, 386, 772, 1544

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11000001000

Octal: -3010

Duodecimal: -A88

Hexadecimal: -608

Square: 2383936

Square Root: 39.293765408777

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

Coefficient of q²ⁿ in the series expansion of Ramanujan's mock θ function f(q). A39

G.f. A(x) satisfies: [xⁿ⁺¹] A(x)^n² = 0 for n>=0. A229044

Expansion of ∑_k>0 (1/(1+x^k)⁴ - 1). A363631

Expansion of (χ(-x) * χ(-x¹⁹))² in powers of·where χ() is a Ramanujan θ function. A134005

A transform of the Motzkin numbers. A157143

Expansion of the series reversion of x*(1 + 4·x + x²)/(1 - x)⁴. A291536

Number of partitions of n with equal number of even and odd parts. A45931

Number of collinear point-triples in an n X n grid. A938

Numbers that are the sum of 6 positive 5th powers. A3351

Number of partitions of n with distinct parts p(i) such that if i ≠ j, then |p(i) - p(j)| >= 3. A25157