Properties of the Number 13028

Thirteen Thousand Twenty-Eight

Basics

Value: 13027 → 13028 → 13029

Parity: even

Prime: No

Previous Prime: 13009

Next Prime: 13033

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 3257

Divisors: 1, 2, 4, 3257, 6514, 13028

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11001011100100

Octal: 31344

Duodecimal: 7658

Hexadecimal: 32e4

Square: 169728784

Square Root: 114.1402645870422

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 log-concave compositions (ordered partitions) of n. A69916

a(n) = (p(n)*p(n+2) - p(n+1))/2, where p(n) is the n-th odd prime. A152531

McKay-Thompson series of class 36g for the Monster group. A103262

a(n) is the number of edges formed by n-secting the angles of a square. A335527

Numbers k such that 128·3^k - 1 is prime. A384228

Stirling transform of A002457. A66053

The number of partitions of n into parts, so that there exists a part i with multiplicity i. A392745

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 758", based on the 5-celled von Neumann neighborhood. A273490

Wedderburn-Etherington numbers: unlabeled binary rooted trees (every node has outdegree 0 or 2) with n endpoints (and 2n-1 nodes in all). A1190

E.g.f. A(x) satisfies: A'(x) = A(x·A'(x)⁵) with A(0)=1. A232695