Properties of the Number -2079

Seventy-Nine

Basics

Value: -2080 → -2079 → -2078

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 7 × 11

Divisors: 1, 3, 7, 9, 11, 21, 27, 33, 63, 77

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100000011111

Octal: -4037

Duodecimal: -1253

Hexadecimal: -81f

Square: 4322241

Square Root: 45.59605246071199

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

E.g.f.: exp(x)/(1+LambertW(x)). A69856

First differences of A014292. A104862

A symmetrical triangle sequence: T(n, k) = q^k + q^n-k - qⁿ, with q=3. A176225

G.f.: real part of 1/(1 - i·x - i·x²) where i=sqrt(-1). A201837

Expansion of g.f.: (-1 + sqrt(1+12·x+48·x²)) / (6·x). A240880

First term of n-th difference sequence of (floor(k·r)), r = sqrt(3), k >= 0. A325666

Riordan array ((1-x²)/(1+3x+x²),x/(1+3x+x²)). A110168

The independence polynomial of the n-halved cube graph evaluated at -1. A355558

Expansion of (1 - x + x²)/(1 - 2·x + 3·x² + 2·x³ + x⁴). A375275

Expansion of e.g.f.: arcsin(arcsinh(x)*log(x+1)). A12574