Properties of the Number 28794

Twenty-Eight Thousand Seven Hundred Ninety-Four

Basics

Value: 28793 → 28794 → 28795

Parity: even

Prime: No

Previous Prime: 28793

Next Prime: 28807

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 4799

Divisors: 1, 2, 3, 6, 4799, 9598, 14397, 28794

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000001111010

Octal: 70172

Duodecimal: 147B6

Hexadecimal: 707a

Square: 829094436

Square Root: 169.68794889443387

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

a(n) = ∑_d∣n A000010(n/d) * A000045(d-1). A113166

E.g.f.: 1 / (1 - 6·log(1 + x))^1/6. A347023

a(n) = ∑_{i,j,k in Z and i² + j² + k² <= n} i² + j² + k². A14203

Number of n X 4 0..2 arrays with horizontal differences mod 3 never 1, vertical differences mod 3 never -1, rows lexicographically nondecreasing, and columns lexicographically nonincreasing. A229424

Number of planar n X n X n binary triangular grids with no more than 7 ones in any similarly oriented 4 X 4 X 4 subtriangle. A153561

T(n,k) = Number of n X k 0..2 arrays with horizontal differences mod 3 never 1, vertical differences mod 3 never -1, rows lexicographically nondecreasing, and columns lexicographically nonincreasing. A229428

Nonsquares mod 81. A28794