Properties of the Number -1884

Eight Hundred Eighty-Four

Basics

Value: -1885 → -1884 → -1883

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 157

Divisors: 1, 2, 3, 4, 6, 12, 157, 314, 471, 628

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11101011100

Octal: -3534

Duodecimal: -1110

Hexadecimal: -75c

Square: 3549456

Square Root: 43.40506882842141

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 (φ(-q)³ / φ(-q³))² in powers of q where φ() is a Ramanujan θ function. A229616

Expansion of r(q⁴) / r(q)⁴ in powers of q where r() is the Rogers-Ramanujan continued fraction. A285584

Signed version of A094953. A248345

q-factorial numbers for q=-13. A15028

Years in which a transit of Venus (as seen from Earth) took place or is expected to occur, according to the catalog by Fred Espenak. A171467

Convolutory inverse of the Thue Morse sequence. A225132

Coefficient of y⁰ in G(x,y)⁴ where G(x,y) = ∑_n=-oo..+oo (1-xⁿ)ⁿ * xⁿ * yⁿ. A263189

Expansion of reciprocal of Hauptmodul for Gamma₀(18). A92848

Numbers k such that Bernoulli number B_k has denominator 2730. A249134

a(n) = n³ + n² + n. A27444