Properties of the Number 28930

Twenty-Eight Thousand Nine Hundred Thirty

Basics

Value: 28929 → 28930 → 28931

Parity: even

Prime: No

Previous Prime: 28927

Next Prime: 28933

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 5 × 11 × 263

Divisors: 1, 2, 5, 10, 11, 22, 55, 110, 263, 526

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000100000010

Octal: 70402

Duodecimal: 148AA

Hexadecimal: 7102

Square: 836944900

Square Root: 170.08821240756222

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

Numbers that are the sum of five fourth powers in three or more ways. A344243

Numbers that are the sum of five fourth powers in exactly three ways. A344244

Number of ways to place 6 nonattacking kings on an n X n cylindrical chessboard. A194654

a(n) = binomial(n,3) + 6·binomial(n,4) + 15·binomial(n,5) + 15·binomial(n,6). A382081

Numbers equal to a permutation (or rearrangement) of the digits of the sum of their proper divisors (excluding the proper divisor 1). Rearrangements which cause leading zeros are excluded. A86248

θ series of quadratic form (or lattice) with Gram matrix [ 4, 1; 1, 6 ]. A28930