Properties of the Number -1190

One Hundred Ninety

Basics

Value: -1191 → -1190 → -1189

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 × 5 × 7 × 17

Divisors: 1, 2, 5, 7, 10, 14, 17, 34, 35, 70

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -10010100110

Octal: -2246

Duodecimal: -832

Hexadecimal: -4a6

Square: 1416100

Square Root: 34.49637662132068

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: T(0,0)=1; for n >= 1 T(n,k) is the coefficient of x^k in the monic characteristic polynomial of the tridiagonal n X n matrix with main diagonal 5,5,5,... and sub- and superdiagonals 1,1,1,... (0 <= k <= n). A123967

Expansion of (η(q) * η(q²) / (η(q⁵) * η(q¹⁰)))² in powers of q. A132041

a(n) = Fibonacci(n)*A109064(n) for n>=1 with a(0)=1. A205882

Start with 1, add the next number if one gets a prime then add the next number else subtract the next... A74170

Expansion of χ(-q)⁵ / χ(-q⁵) in powers of q where χ() is a Ramanujan θ function. A138521

McKay-Thompson series of class 10C for Monster. A58099

Values of y arising from representations of n >= 11 in A085514. A102775

One half of third column (k=2) of triangle A111999. A112000

Oblong (or promic, pronic, or heteromecic) numbers: a(n) = n*(n+1). A2378

Generalized pentagonal numbers: m*(3·m - 1)/2, m = 0, +-1, +-2, +-3, .... A1318