Properties of the Number -28257

Twenty-Eight Thousand Two Hundred Fifty-Seven

Basics

Value: -28258 → -28257 → -28256

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 3 × 9419

Divisors: 1, 3, 9419, 28257

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110111001100001

Octal: -67141

Duodecimal: -14429

Hexadecimal: -6e61

Square: 798458049

Square Root: 168.09818559401526

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 singular 2 X 2 matrices having all elements in {-n,...,n}. A209981

a(n) = T(n, n-5), array T as in A055818. A55822

Expansion of g.f. A(x) satisfying x = ∑_n=-oo..+oo (-1)ⁿ * xⁿ * A(x)ⁿ * (A(x)ⁿ + xⁿ)ⁿ. A361775

Expansion of ∏_k>=1 (1 + k·x^k)/(1 + 2·x^k). A269154

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 377", based on the 5-celled von Neumann neighborhood. A271463