Properties of the Number 21302

Twenty-One Thousand Three Hundred Two

Basics

Value: 21301 → 21302 → 21303

Parity: even

Prime: No

Previous Prime: 21283

Next Prime: 21313

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 2 × 10651

Divisors: 1, 2, 10651, 21302

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 101001100110110

Octal: 51466

Duodecimal: 103B2

Hexadecimal: 5336

Square: 453775204

Square Root: 145.95204691952765

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

T(n,k)=Number of nXk 0..2 arrays with no element equal to more than one of its horizontal, diagonal or antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A281693

Expansion of ∏_k>=1 1 / (1 + k·x^k)^k. A266971

T(n,k)=Number of nXk 0..2 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A279534

T(n,k)=Number of nXk 0..2 arrays with no element equal to more than one of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A280313

Number of nX2 0..2 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. A279530

Expansion of g.f. A(x) satisfying ∑_n=-oo..+oo (-1)ⁿ * (xⁿ - 4·A(x))ⁿ = theta₃(x). A369672

List of coefficients of reduced chromatic polynomial of dodecahedron, highest order terms first. A296918

Coordination sequence for MgNi2, Position Mg1. A9936

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 110", based on the 5-celled von Neumann neighborhood. A270170

A290131/2. A331754