Properties of the Number -28260

Twenty-Eight Thousand Two Hundred Sixty

Basics

Value: -28261 → -28260 → -28259

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 5 × 157

Divisors: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110111001100100

Octal: -67144

Duodecimal: -14430

Hexadecimal: -6e64

Square: 798627600

Square Root: 168.1071087134628

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

G.f.: ∏_n>=1 (1 - Lucas(n)*xⁿ + (-1)ⁿ*x^2·n)³ where Lucas(n) = A000204(n). A203861

Sequence A001033 gives the numbers n such that the sum of the squares of n consecutive odd numbers x² + (x+2)² + ... +(x+2n-2)² = k² for some integer k. For each n, this sequence gives the least value of k. A56132