Properties of the Number -28209

Twenty-Eight Thousand Two Hundred Nine

Basics

Value: -28210 → -28209 → -28208

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 9403

Divisors: 1, 3, 9403, 28209

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4938 Try Today's Challenge

Representations

Binary: -110111000110001

Octal: -67061

Duodecimal: -143A9

Hexadecimal: -6e31

Square: 795747681

Square Root: 167.95535120977837

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

Minimal absolute value of determinant of a nonsingular n X n symmetric Toeplitz matrix using the first n prime numbers. A348891

Sum of the largest parts of the partitions of n into 5 parts. A308827

Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 481", based on the 5-celled von Neumann neighborhood. A288586

Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 542", based on the 5-celled von Neumann neighborhood. A289094

Number of primitive (period n) n-bead bracelet structures which are not periodic palindromes using exactly three different colored beads. A328038

Numerators of continued fraction convergents to sqrt(252). A41472

Magic sums of 3 X 3 magic squares composed of primes in an arithmetic progression. A269324

a(n) = ∑_{1 <= x₁ <= x₂ <= x₃ <= x₄ <= x₅ <= n} gcd(x₁, x₂, x₃ , x₄, x₅, n). A343519