Properties of the Number -2340

Three Hundred Forty

Basics

Value: -2341 → -2340 → -2339

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 5 × 13

Divisors: 1, 2, 3, 4, 5, 6, 9, 10, 12, 13

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -100100100100

Octal: -4444

Duodecimal: -1430

Hexadecimal: -924

Square: 5475600

Square Root: 48.373546489791295

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

Low-temperature magnetization expansion for square lattice (Potts model, q=3). A57374

a(n) = ∑_{k=0..floor(n/4)} (-1)^k * binomial(n+3,4·k+3) * Catalan(k). A360050

Partition function coefficients for square lattice spin 3/2 Ising model. A10110

Expansion of ∑_k>=1 k·x^k * (1 - x^k) / (1 + x^k)³. A326238

Expansion of ∑_k>0 k² * x^k/(1 + x^k)³. A364351

Triangle T(n,k) read by rows: consider the sequence a(m) = a(m-1) + ∑_0<j<=m/n a(m-j·n) with a(0)=1. Row n of T(n,k) is formed by the coefficients of the recurrence relation of sequence b(i) = a(n·i). A113445

a(n) = 2n(19-n). A182428

Coefficients in the expansion of ([s] + [2s]x + [3s]x² + ...)/([r] + [2r]x + [3r]x² + ...); [ ] = floor, r = sqrt(3), s = r/(1-r). A279630

Expansion of e.g.f. sec(log(1 + x)) + tan(log(1 + x)). A306336

The unique sequence such that ∑_d∣n d·a(d)^n/d = σ(n)² for every n. A383614