Properties of the Number -280440

Two Hundred Eighty Thousand Four Hundred Forty

Basics

Value: -280441 → -280440 → -280439

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ² × 5 × 19 × 41

Divisors: 1, 2, 3, 4, 5, 6, 8, 9, 10, 12

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000100011101111000

Octal: -1043570

Duodecimal: -116360

Hexadecimal: -44778

Square: 78646593600

Square Root: 529.5658599267895

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

Triangle, read by rows, given by the product R^-1·P³ using triangular matrices P=A113370, R=A113389. A114153

Triangle, read by rows, equal to the matrix cube of A113381. A113387

Triangle, read by rows, equal to the matrix square of triangle A113389. Also given by the matrix product: R² = Q³*(P^-2)*Q, using triangular matrices P=A113370, Q=A113381 and R=A113389. A113392

Column 0 of triangle A113387, also equals column 0 of A113389². A113388

Column 1 of triangle A113392, also equals column 0 of A113381⁶. A113393