Properties of the Number 32140

Thirty-Two Thousand One Hundred Forty

Basics

Value: 32139 → 32140 → 32141

Parity: even

Prime: No

Previous Prime: 32119

Next Prime: 32141

Digit Sum: 10

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 5 × 1607

Divisors: 1, 2, 4, 5, 10, 20, 1607, 3214, 6428, 8035

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111110110001100

Octal: 76614

Duodecimal: 16724

Hexadecimal: 7d8c

Square: 1032979600

Square Root: 179.27632303235137

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

Number of fixed poly-[4.8²]-tiles (holes allowed) with n cells (division into triangles is significant). A197467

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 521", based on the 5-celled von Neumann neighborhood. A282828

a(n) = ceiling(n*φ¹⁷), where φ is the golden ratio, A001622. A4972

G.f.: A(x) = exp( ∑_n>=1 A162552(n) * 2·A006519(n) * xⁿ/n ). A161803

"CFK" (necklace, size, unlabeled) transform of 2,1,1,1... A32140

Number of nX4 0..1 arrays with every element unequal to 0, 1, 2, 4, 6 or 7 king-move adjacent elements, with upper left element zero. A306056