Properties of the Number -210

Two Hundred Ten

Basics

Value: -211 → -210 → -209

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 3

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 5 × 7

Divisors: 1, 2, 3, 5, 6, 7, 10, 14, 15, 21

Polygonal

Triangular: Yes

Square: No

Pentagonal: Yes

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11010010

Octal: -322

Duodecimal: -156

Hexadecimal: -d2

Square: 44100

Square Root: 14.491376746189438

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

Product of A049310 and A007318 as lower triangular matrices. A101950

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

G.f.: q * ∏_m>=1 (1-q^m)⁸*(1-q^2m)⁸. A2288

Irregular triangle read by rows: coefficients C(j,k) of a partition transform for direct Lagrange inversion. A134685

Coefficients for the commutator for the logarithm of the derivative operator [log(D),xⁿ Dⁿ]=d[(xD)!/(xD-n)!]/d(xD) expanded in the operators :xD:^k. A238363

Cumulant expansion numbers: Coefficients in expansion of log(1 + ∑_k>=1 x[k]*(t^k)/k!). A127671

Scaled coefficient table for Chebyshev polynomials 2·T(2·n, sqrt(x)/2) (increasing even scaled powers, without zero entries). A127677

Shifted lower triangular matrix A238363 with a main diagonal of ones. A238385

Generalized Stirling number triangle of first kind read by rows: T(n, k) = [x^k] ∏_m=1..n (x - m - r), with r = 4. A49460

Image of primes (A000040) under "little Hankel" transform that sends [c₀, c₁, ...] to [d₀, d₁, ...] where d_n = c_n² - c_n+1*c_n-1. A56221