Properties of the Number -28278

Twenty-Eight Thousand Two Hundred Seventy-Eight

Basics

Value: -28279 → -28278 → -28277

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 1571

Divisors: 1, 2, 3, 6, 9, 18, 1571, 3142, 4713, 9426

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110111001110110

Octal: -67166

Duodecimal: -14446

Hexadecimal: -6e76

Square: 799645284

Square Root: 168.16063748689822

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

T(n,k)=Number of 0..4 colorings of an nx(k+1) array circular in the k+1 direction with new values 0..4 introduced in row major order. A214141

Number of distinct circles that can be constructed from an n X n square grid of points when each pair of points is connected by a circle and the points lie at the ends of a diameter of the circle. A360350

a(n) is the number of edges formed by n-secting the angles of a nonagon (enneagon). A335783

a(n) = 110·2ⁿ + 118. A305063

Number of 4 X n binary arrays without the pattern 0 1 diagonally, vertically, antidiagonally or horizontally. A188555

Number of 0..4 colorings on an nX4 array circular in the 4 direction with new values 0..4 introduced in row major order. A214136

Number of 0..4 colorings of a 3X(n+1) array circular in the n+1 direction with new values 0..4 introduced in row major order. A214144

Number of nX7 0..1 arrays with every element equal to 0, 2, 4, 5 or 7 king-move adjacent elements, with upper left element zero. A298574