Properties of the Number -19485

Nineteen Thousand Four Hundred Eighty-Five

Basics

Value: -19486 → -19485 → -19484

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 5 × 433

Divisors: 1, 3, 5, 9, 15, 45, 433, 1299, 2165, 3897

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100110000011101

Octal: -46035

Duodecimal: -B339

Hexadecimal: -4c1d

Square: 379665225

Square Root: 139.5886814895821

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(-q)¹⁰ / f(-q⁵)² in power of q where f() is a Ramanujan θ function. A243939

Number of fully chiral integer partitions of n. A330228

Index where prime(n) appears as a term in A379248. A379290

Numbers k that can be expressed as k = w + x = y·z with w·x = y² + z² where w, x, y, and z are all positive integers. A57373

a(n) = 729·n - 198. A156772

Numerator of n*(n-3)*(3·n²-6·n+2)/(3*(n-1)*(n-2)). A23417

A156977/3. A164565

Expansion of 1/((1-x)³*(1-11x)). A229611

For the numbers k that can be expressed as k = w+x = y·z with w·x = (y+z)² where w, x, y, and z are all positive integers, this sequence gives the corresponding values of y+z. A343860

Expansion of ∑_{p prime, i>=1} pⁱ*x^pⁱ/(1 - x^pⁱ) / ∏_j>=1 (1 - x^j). A281906