Properties of the Number -222720

Two Hundred Twenty-Two Thousand Seven Hundred Twenty

Basics

Value: -222721 → -222720 → -222719

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ⁹ × 3 × 5 × 29

Divisors: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -110110011000000000

Octal: -663000

Duodecimal: -A8A80

Hexadecimal: -36600

Square: 49604198400

Square Root: 471.932198520084

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

Expansion of ∏_k>=1 (1 - x^k)¹⁶. A739

Number of ways to place m nonattacking queens on an m X n board, 1 <= m <= n (triangular array). A269133

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 355", based on the 5-celled von Neumann neighborhood. A281306

Triangle read by rows: T(n,k) (n >= 1, 1 <= k <= n) = number of subdigraphs of the transitive tournament on n nodes that have k weak components. A350609

Expansion of (η(q²)⁷ / η(q⁴)²)⁴ + 16 * (η(q)² * η(q²) * η(q⁴)²)⁴ in powers of q. A173763

Number of (n+1) X (3+1) 0..2 arrays colored with the upper median value of each 2 X 2 subblock. A235949

Number of 3-turn rook's tours on an n X n board summed over all starting positions. A187190