Properties of the Number -280984

Two Hundred Eighty Thousand Nine Hundred Eighty-Four

Basics

Value: -280985 → -280984 → -280983

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ³ × 11 × 31 × 103

Divisors: 1, 2, 4, 8, 11, 22, 31, 44, 62, 88

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8109 Try Today's Challenge

Representations

Binary: -1000100100110011000

Octal: -1044630

Duodecimal: -116734

Hexadecimal: -44998

Square: 78952008256

Square Root: 530.0792393595508

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

a(n) = ((4+3·sqrt(2))*(4+sqrt(2))ⁿ + (4-3·sqrt(2))*(4-sqrt(2))ⁿ)/4. A164034

Number of paths from (0,1) to (n,2), with vertices (i,k) satisfying 0 <= k <= 3, consisting of segments given by the vectors (1,1), (1,2), (1,-1). A247355

Number of (n+2) X (5+2) 0..3 arrays with every consecutive three elements in every row and column having exactly two distinct values, and in every diagonal and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order. A252692