Properties of the Number 18460

Eighteen Thousand Four Hundred Sixty

Basics

Value: 18459 → 18460 → 18461

Parity: even

Prime: No

Previous Prime: 18457

Next Prime: 18461

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ² × 5 × 13 × 71

Divisors: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100100000011100

Octal: 44034

Duodecimal: A824

Hexadecimal: 481c

Square: 340771600

Square Root: 135.86758259423033

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) = ∑_k=0..n p(k) where p(k) = number of partitions of k (A000041). A70

Number of palindromic partitions of n. A25065

G.f. satisfies: A(x + A(x)²) = x + 2·A(x)². A277306

Values of y such that x² + y² = 29ⁿ with·and y coprime and 0 < x < y. A230645

Number of strict closure operators on a set of n elements such that every point and every closed set not containing that point can be separated by clopen sets. A358152

Number of nonequivalent dissections of an n-gon into 3 polygons by nonintersecting diagonals rooted at a cell up to rotation. A295622

Column 4 of A048790. A94160

Number of 0..n arrays x(0..5) of 6 elements with zero 4th differences. A200084

The π index of the Aztec diamond AZ(n) (see the Imran et al. reference). A292343

a(n) = 2·n³ - 3·n + 1. A377663