Properties of the Number -1210

Two Hundred Ten

Basics

Value: -1211 → -1210 → -1209

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 4

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 11 ²

Divisors: 1, 2, 5, 10, 11, 22, 55, 110, 121, 242

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10010111010

Octal: -2272

Duodecimal: -84A

Hexadecimal: -4ba

Square: 1464100

Square Root: 34.785054261852174

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) is the minimal determinant of an n X n symmetric Toeplitz matrix using the integers 0 to n - 1. A358323

Expansion of f(-q) / f(q) in powers of q where f() is a Ramanujan θ function. A108494

Expansion of ∏_k>=1 ((1 - 2·x^k)/(1 + 2·x^k))^1/2. A303345

Matrix logarithm of triangle A113287. A113290

Expansion of φ(-q) / φ(q²) in powers of q where φ() is a Ramanujan θ function. A210030

Matrix inverse of triangle A113287. A113288

G.f.: Im((2·i; x)_oo), where (a; q)_oo is the q-Pochhammer symbol, i = sqrt(-1). A292140

G.f. A(x,y) = ∑_-oo..+oo (x - yⁿ)ⁿ⁺¹, as a flattened rectangular array of coefficients T(n,k) of xⁿ * y^k*(n+k-1) in A(x,y) for n>=1. A293600

Coefficients of q-expansion of Eisenstein series G_5/2(τ) multiplied by 120. A306934

Matrix inverse of triangle A122175, where A122175(n,k) = C( k*(k+1)/2 + n-k, n-k) for n>=k>=0. A121435