Properties of the Number -515338

Five Hundred Fifteen Thousand Three Hundred Thirty-Eight

Basics

Value: -515339 → -515338 → -515337

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 17 × 23 × 659

Divisors: 1, 2, 17, 23, 34, 46, 391, 659, 782, 1318

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111101110100001010

Octal: -1756412

Duodecimal: -20A28A

Hexadecimal: -7dd0a

Square: 265573254244

Square Root: 717.870461852276

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 (1-3·x+x³)/(1-2·x-x²+x³). A199853

a(n) = 2·a(n-1) + a(n-2) - a(n-3) for n >= 3, starting with a(0) = 1, a(1) = 3, and a(2) = 6. A6356

Expansion of (1-x)/(1-2·x-x²+x³). A77998

T(n,k)=Number of nXk 0..2 arrays with antidiagonals unimodal and rows and diagonals nondecreasing. A223999

3-wave sequence starting with 1, 1, 1. A38196

Let i be in {1,2,3}, let r >= 0 be an integer and n=2·r+i-1. Then a(n)=a(2·r+i-1) gives the quantity of H_7,3,0 tiles in a subdivided H_7,i,r tile after linear scaling by the factor x^r, where x=sqrt((2·cos(π/7))²-1). A187070

Let i be in {1,2,3}, let r >= 0 be an integer and n=2·r+i-1. Then a(n)=a(2·r+i-1) gives the quantity of H_7,1,0 tiles in a subdivided H_7,i,r tile after linear scaling by the factor x^r, where x=sqrt((2·cos(π/7))²-1). A187068

Expansion of x*(1-x)/(1-2·x-x²+x³). A106803

Bottom line of 3-wave sequence A038196, also bisection of A006356. A38223

a(n) is the number of symmetrical linear hydrocarbon chains with n C-C bonds. A370377