Properties of the Number -220968

Two Hundred Twenty Thousand Nine Hundred Sixty-Eight

Basics

Value: -220969 → -220968 → -220967

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ³ × 3 ⁴ × 11 × 31

Divisors: 1, 2, 3, 4, 6, 8, 9, 11, 12, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -110101111100101000

Octal: -657450

Duodecimal: -A7A60

Hexadecimal: -35f28

Square: 48826857024

Square Root: 470.0723348592214

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 n X k 0..3 arrays with some element plus some horizontally, antidiagonally or vertically adjacent neighbor totalling three exactly once. A269152

Number of (w,x,y,z) with all terms in {1,...,n} and w<x>=y<=z. A212415

Number of nX3 0..3 arrays with some element plus some horizontally, antidiagonally or vertically adjacent neighbor totalling three exactly once. A269147

Number of nX4 0..3 arrays with some element plus some horizontally, antidiagonally or vertically adjacent neighbor totalling three exactly once. A269148

Array read by downward antidiagonals: A(n,k) = A(n-1,k) + (k+1)*A(n-1,k+1) + k·A(n-1,k-1) with A(n,0) = A(n-1,0) + A(n-1,1), A(0,k) = 1. A391886