Properties of the Number -134

One Hundred Thirty-Four

Basics

Value: -135 → -134 → -133

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 2 × 67

Divisors: 1, 2, 67, 134

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: -10000110

Octal: -206

Duodecimal: -B2

Hexadecimal: -86

Square: 17956

Square Root: 11.575836902790225

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

Real part of the sum of divisors function σ(n) generalized for Gaussian integers. A103228

O.g.f. A(x) satisfies: [xⁿ] exp( n² * A(x) ) = [x^n-1] exp( n² * A(x) ) for n>=1. A296171

Triangle T(n,k) read by rows: coefficient [x^k] of the polynomial p(n,x) with p(0,x) = 1, p(1,x) = 2 - x, p(2,x) = 1 - 4·x + x² and p(n,x) = (2-x)*p(n-1,x) - p(n-2,x) if n>2. A136674

a(n) = 1 + 3·n - 2·n². A168244

Expansion of ∏_k>0 ((1-x^5k-2) * (1-x^5k-3)/((1-x^5k-1) * (1-x^5k-4)))³ in powers of x. A285443

G.f.: A(x,q) = sqrt( Q(x,q) / Q(x,-q) ), where Q(x,q) = ∑_n=-oo..+oo (x - qⁿ)ⁿ. A292929

The y-coordinates of the vertices of the Babylonian Wurm. A342623

Expansion of ∏_k>=1 ((1 - k·x^k) / (1 - x^k)). A267005

Alternating sum of primes: a(1) = A000040(1) = 2 and a(n) = a(n-1) + A000040(n)*(-1)ⁿ for n > 1. A66033

Row sums of triangle A104505, which is equal to the right-hand side of the triangle A084610 of coefficients in (1+x-x²)ⁿ. A104507