Properties of the Number 28332

Twenty-Eight Thousand Three Hundred Thirty-Two

Basics

Value: 28331 → 28332 → 28333

Parity: even

Prime: No

Previous Prime: 28319

Next Prime: 28349

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 787

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 36, 787

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 110111010101100

Octal: 67254

Duodecimal: 14490

Hexadecimal: 6eac

Square: 802702224

Square Root: 168.32112166926646

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 g.f. A(x) satisfying 0 = ∑_n=-oo..+oo xⁿ * A(x)ⁿ * (4 - x^n-1)ⁿ⁺¹. A366734

Number of obtuse isosceles triangles on a centered hexagonal grid of size n. A241230

a(n) = 10000·log(n) rounded to nearest integer. A4244

a(n) = floor(10000·log(n)). A4243

Lucas numbers (beginning with 1): L(n) = L(n-1) + L(n-2) with L(1) = 1, L(2) = 3. A204

Number of degree-n irreducible polynomials over GF(2); number of n-bead necklaces with beads of 2 colors when turning over is not allowed and with primitive period n; number of binary Lyndon words of length n. A1037

Perrin sequence (or Perrin numbers, or Ondrej Such sequence): a(n) = a(n-2) + a(n-3) with a(0) = 3, a(1) = 0, a(2) = 2. A1608

Distinct elements to the right of the central elements of the even-Pascal triangle A028326. A28332