Properties of the Number 28832

Twenty-Eight Thousand Eight Hundred Thirty-Two

Basics

Value: 28831 → 28832 → 28833

Parity: even

Prime: No

Previous Prime: 28817

Next Prime: 28837

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁵ × 17 × 53

Divisors: 1, 2, 4, 8, 16, 17, 32, 34, 53, 68

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000010100000

Octal: 70240

Duodecimal: 14828

Hexadecimal: 70a0

Square: 831284224

Square Root: 169.799882214329

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 continued fraction A(x) = 1/(1-x-x²/(1-x³-x⁴/(1-x⁵-x⁶/(1-x⁷-x⁸/(1-...))))). A88352

a(n) = 25·n² - 2·n. A154376

Number of points on surface of dodecahedron: a(n) = 30·n² + 2 for n > 0. A5903

Table by antidiagonals of T(n,k) = 2·n*T(n,k-1) - n²*T(n,k-2) + T(n,k-4) starting with T(n,1) = 1. A73135

Number of partitions of n with up to eight distinct kinds of 1. A320695

E.g.f. A(x) satisfies A(x) = exp( 2·x / (1 - x·A(x)^1/2)² ). A372200

Numbers k such that k and k² use only the digits 1, 2, 3, 4 and 8. A136971

Number of nXnXn triangular binary arrays with every 1 adjacent to at most 4 other 1s. A192413

Number of evolutionary duplication-loss-histories of the complete binary species tree with 16 leaves. A307943

Number of partitions of n such that the largest part and the smallest part are relatively prime. A117087