Properties of the Number -671744

Six Hundred Seventy-One Thousand Seven Hundred Forty-Four

Basics

Value: -671745 → -671744 → -671743

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ¹⁴ × 41

Divisors: 1, 2, 4, 8, 16, 32, 41, 64, 82, 128

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100100000000000000

Octal: -2440000

Duodecimal: -2848A8

Hexadecimal: -a4000

Square: 451240001536

Square Root: 819.5999023914046

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) = coefficient of x^2·n in S(x) defined by: C(x) + i·S(x) = ∑_n=-oo..+oo iⁿ * (2·x)^n² * F(x)ⁿ, where F(x) is the g.f. of A357787 such that C(x)² + S(x)² = 1. A357789

Expansion of theta₃ / theta₄. A7096

Expansion of (theta₃(q) / theta₄(q))² in powers of q. A14969

Expansion of φ(q²)² / (φ(-q) * φ(q⁴)) in powers of q where φ() is a Ramanujan θ function. A212318

Expansion of (φ(-q) / φ(q))² in powers of q where φ() is a Ramanujan θ function. A139820

Expansion of theta₄/theta₃ in powers of q. A189925

Expansion of 1 + 32 * (η(q⁴) / η(q))⁸ in powers of q. A97243

Expansion of φ(q²)² / (φ(q) * φ(q⁴)) in powers of q where φ() is a Ramanujan θ function. A232358

a(n) = 2^n-1*(3·n-4). A53565

a(n) = smallest number whose arithmetic derivative has exactly n prime factors. A284149