Properties of the Number 28432

Twenty-Eight Thousand Four Hundred Thirty-Two

Basics

Value: 28431 → 28432 → 28433

Parity: even

Prime: No

Previous Prime: 28429

Next Prime: 28433

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁴ × 1777

Divisors: 1, 2, 4, 8, 16, 1777, 3554, 7108, 14216, 28432

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 110111100010000

Octal: 67420

Duodecimal: 14554

Hexadecimal: 6f10

Square: 808378624

Square Root: 168.61791126686393

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

Square array, read by antidiagonals, where T(n,k) = T(n,k-1) + T(n-1,k+n-1) for n>0, k>0, such that T(n,0) = T(n-1,n-1) for n>0 with T(0,k)=1 for k>=0. A136730

Triangular array: the fission of ((x+2)ⁿ) by ((x+1)ⁿ). A193846

Mirror of the triangle A193846. A193847

G.f.: ∑_n>=0 (n+1) * xⁿ * (1 + xⁿ)ⁿ. A326002

Number of trapezoids on an n X n grid (or geoboard). A189415

Column 1 of square array A136730. A136731

Expansion of x*(1+5·x-2·x³)/(1-6·x²+2·x⁴). A249221

Arises in enumerating iterated point-line configurations. A140744

Row sums of A232467. A232468

Column 1 of triangular matrix T=A101479, in which row n equals row (n-1) of T^n-1 followed by '1'. A101482