Properties of the Number -18766

Eighteen Thousand Seven Hundred Sixty-Six

Basics

Value: -18767 → -18766 → -18765

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 × 11 × 853

Divisors: 1, 2, 11, 22, 853, 1706, 9383, 18766

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100100101001110

Octal: -44516

Duodecimal: -AA3A

Hexadecimal: -494e

Square: 352162756

Square Root: 136.9890506573427

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

Twice-partitioned numbers where the first partition is constant. A279787

Expansion of ∏_k>=1 1/(1-x^3·k-2)^k. A262877

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302265

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3 or 5 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302808

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302965

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 3, 5 or 6 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A303469

Number of rooted trees with n points and exactly k specified colors: C(n,k), 1<=n, 1<=k<=n. A141610

Expansion of sum ( qⁿ / product( 1-q^k, k=1..6·n), n=0..inf ). A35298

a(n) = prime(n)²-3. A182200

Number of 2Xn 0..1 arrays with every element equal to 0, 1, 2 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302266