Properties of the Number -1329

Three Hundred Twenty-Nine

Basics

Value: -1330 → -1329 → -1328

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 443

Divisors: 1, 3, 443, 1329

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10100110001

Octal: -2461

Duodecimal: -929

Hexadecimal: -531

Square: 1766241

Square Root: 36.45545226711637

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

G.f. A(x,y) = ∑_n>=0 xⁿ/(1-y)^2·n+1 * ∑_k=0..3·n T(n,k)*y^k satisfies: y = ∑_n=-oo..+oo (-1)ⁿ * x^n*(n+1/2) * A(x,y)ⁿ. A355870

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 331", based on the 5-celled von Neumann neighborhood. A271280

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 355", based on the 5-celled von Neumann neighborhood. A271408

A triangle of polynomial coefficients:p(x,n)=Sum[(2·k - 1)ⁿ*Binomial[x, k], {k, 0, Infinity}]/2^x. A176669

Number of nonempty subsets of {1..n} whose geometric mean is an integer. A326027

a(n) = n² + 3·n - 1. A14209

Sum of first n composite numbers. A53767

Numbers that are the sum of 3 nonzero squares in 10 or more ways. A25338

Triangle T, read by rows, such that T(n,k) equals the (n-k)-th row sum of T^k, where T^k is the k-th power of T as a lower triangular matrix. A91351

Positions of occurrences of the natural numbers as a second subsequence in A100035. A100037