Properties of the Number -30228

Thirty Thousand Two Hundred Twenty-Eight

Basics

Value: -30229 → -30228 → -30227

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 11 × 229

Divisors: 1, 2, 3, 4, 6, 11, 12, 22, 33, 44

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111011000010100

Octal: -73024

Duodecimal: -155B0

Hexadecimal: -7614

Square: 913731984

Square Root: 173.86201425268257

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

Expansion of ∏_k>0 1/(1 + x^k)^k·4. A279411

Triangle interpolating the swinging factorial (A056040) restricted to odd indices with its binomial inverse. Triangle read by rows. For n >= 0, k >= 0. A163772

Triangle of coefficients of polynomials v(n,x) jointly generated with A209162; see the Formula section. A209163

The first Zagreb index of the Aztec diamond AZ(n) (see the Ramanes et al. reference, Theorem 2.1). A292344

Number of permutations of length n whose powers all avoid the pattern 321. A326760

A255298(2ⁿ-1). A255299

Number of subsets of {1,...,n} containing n and having at least one set partition into 7 blocks with equal element sum. A248116

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where column k is the expansion of B(x)^k, where B(x) is the g.f. of A384680. A384681