Properties of the Number -5391

Three Hundred Ninety-One

Basics

Value: -5392 → -5391 → -5390

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 599

Divisors: 1, 3, 9, 599, 1797, 5391

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010100001111

Octal: -12417

Duodecimal: -3153

Hexadecimal: -150f

Square: 29062881

Square Root: 73.4234295031225

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(-x, -x⁵)² / f(x, x³) in powers of·where f(, ) is Ramanujan's general θ function. A263041

a(n) = 8ⁿ + 6ⁿ - 1. A155646

Number of polyominoes with n cells that tile the plane by 180-degree rotation (Conway criterion) but not by translation. A75201

Numbers k such that floor(exp(k)) is prime. A50808

Numbers that are the sum of five third powers in seven or more ways. A345180

Number of n-regular, N₀-weighted pseudographs on 2 vertices with total edge weight 8, up to isomorphism. A358248

a(n) = ∑_d∣n d·prime(d). A61150

Maximum number of regions defined by n zigzag-lines in the plane when a zigzag-line is defined as consisting of two parallel infinite half-lines joined by a straight line segment. A117625

Numbers that are the sum of five third powers in exactly seven ways. A345181

Start with 1057 and repeatedly reverse the digits and add 2 to get the next term. A120215