Properties of the Number -1149

One Hundred Forty-Nine

Basics

Value: -1150 → -1149 → -1148

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 383

Divisors: 1, 3, 383, 1149

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: -10001111101

Octal: -2175

Duodecimal: -7B9

Hexadecimal: -47d

Square: 1320201

Square Root: 33.896902513356586

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 f(-x²)² * f(x, x²) / f(-x³)³ in powers of·where f(,) is a Ramanujan θ function. A132179

a(n) = -a(n-1) - a(n-2) + a(n-3), a(0)=3, a(1)=-1, a(2)=-1. A73145

Expansion of f(-x) * ψ(x²) * φ(x³) / f(-x³)³ in powers of·where φ(), ψ(), f() are Ramanujan θ functions. A230256

Expansion of ∏_k>=1 1/(1 + x^k)^sigma₂(k). A288422

Expansion of f(-x²)² * f(-x, x²) / f(x³)³ in powers of·where f(,) is Ramanujan's general θ function. A254525

∏_k>=1 1/(1 - a(k)*x^k) = 1 + ∑_k>=1 k²*x^k. A316086

Expansion of (3 + 2·x + 3·x²)/(1 + x + 3·x² - x³). A73496

a(n) = -a(n-1) + 2a(n-2) - a(n-3), with a(0) = 0, a(1) = 1, a(2) = -3. A135019

a(1) = a(2) = 1; if n > 2 then a(n) = a(n-1)*a(n-2) - a(n-2) - a(n-1). A268021

Triangle read by rows, a generalization of the Eulerian numbers based on Nielsen's generalized polylogarithm (case m = 3). A293298