Properties of the Number -5491

Four Hundred Ninety-One

Basics

Value: -5492 → -5491 → -5490

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 17 ² × 19

Divisors: 1, 17, 19, 289, 323, 5491

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010101110011

Octal: -12563

Duodecimal: -3217

Hexadecimal: -1573

Square: 30151081

Square Root: 74.10128204019145

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/(1-2·x+x²+2·x³). A77942

G.f. A(x) satisfies: A(x) = x·exp(A(-x) + A(-x²)/2 + A(-x³)/3 + A(-x⁴)/4 + ...). A307365

Expansion of 1/(1+2·x+x²-2·x³). A77989

Numbers k such that k⁴ can be written as a sum of four positive 4th powers. A3294

Number of ways to partition n elements into pie slices of different sizes. A32153

Number of distinct lines through the origin in 3-dimensional cube of side length n. A90025

Expansion of x*(1+x-x²)/((1-x)⁴*(1+x)). A5744

a(n) = ∑_k=1..n floor(n/k) * 4^k-1. A344815

Greatest positive integer whose weakly increasing prime indices have weighted sum (A304818) equal to n. A359497

Prime shift array for A332818: Square array read by antidiagonals: A(1,col) = 2·col, and for row > 1, A(row,col) = A332818(A(row-1,col)). A389088