Properties of the Number -444

Four Hundred Forty-Four

Basics

Value: -445 → -444 → -443

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: Yes

Factorization: 2 ² × 3 × 37

Divisors: 1, 2, 3, 4, 6, 12, 37, 74, 111, 148

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110111100

Octal: -674

Duodecimal: -310

Hexadecimal: -1bc

Square: 197136

Square Root: 21.071307505705477

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

FP2 polynomials related to the generating functions of the left hand columns of the A156920 triangle. A156925

Expansion of ∏_k>=1 (1 + x^4·k)/(1 + x^k). A261734

Expansion of ∑_k>=1 x^k/(1 + x^k)³. A320900

G.f.: 2 - x/(1+2·x - x³/(1+2·x² - x⁵/(1+2·x³ - x⁷/(1+2·x⁴ - x⁹/(1+2·x⁵ - x¹¹/(1 - ...)))))), a continued fraction. A275762

Coefficient triangle of the associated Laguerre polynomials of order 1. A199577

Fourth column (m=3) of triangle A128494. A128498

a(n) = (-1)ⁿ * ∑_k=0..n 9^k * binomial(-1/3,k) * binomial(n·k,n-k). A361847

Triangle read by rows: coefficients of the alternating factorial polynomial (x+1)(x-2)(x+3)(x-4)...(x+n*(-1)^n-1). A140956

Glaisher's function H'(4n+1) (18 squares version). A2610

Magnetic susceptibility coefficients for square lattice spin 2 Ising model. A10116