Properties of the Number 28263

Twenty-Eight Thousand Two Hundred Sixty-Three

Basics

Value: 28262 → 28263 → 28264

Parity: odd

Prime: No

Previous Prime: 28229

Next Prime: 28277

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 9421

Divisors: 1, 3, 9421, 28263

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 110111001100111

Octal: 67147

Duodecimal: 14433

Hexadecimal: 6e67

Square: 798797169

Square Root: 168.1160313592966

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 unrooted binary leaf-multi-labeled trees with n leaves on the label set [2]. A220826

Numbers k such that k and k+2 are both A000120-perfect numbers (A175522). A360639

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 617", based on the 5-celled von Neumann neighborhood. A273248

G.f.: ∑_k>=0 x^k*(k+1/2) * ∏_j=1..k 1/(1 - x^j)³. A376707

Number of n X n binary arrays symmetric about both diagonal and antidiagonal with all ones connected only in a 3 X 3 plus 2,1 2,2 2,3 1,2 3,2. A146001

Elements in 3-Pascal triangle A028262 (by row) that are not 1. A28263

a(n) = F(n+8) - (1/6)*(n⁴-2·n³+26·n²+47·n+132) where F(i) = Fibonacci numbers (A000045). A220889

Number of nX4 0..1 arrays with no 1 equal to more than two of its king-move neighbors, with the exception of exactly two elements. A282589