Properties of the Number -1892

Eight Hundred Ninety-Two

Basics

Value: -1893 → -1892 → -1891

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 11 × 43

Divisors: 1, 2, 4, 11, 22, 43, 44, 86, 172, 473

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -11101100100

Octal: -3544

Duodecimal: -1118

Hexadecimal: -764

Square: 3579664

Square Root: 43.497126341863094

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

McKay-Thompson series of class 16B for the Monster group. A29839

Expansion of 1/∑_k>=0 x^k². A317665

Matrix logarithm of triangle A113287. A113290

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

Expansion of ∑_k>=0 x^k*(k+1/2) / ∏_j=1..k (1 + x^j)^j. A306706

G.f. A(x) satisfies: 1 / (1 - x) = ∏_{i>=1, j>=1} A(x^i·j). A351402

G.f. satisfies A(x) = A(x³)/(A(x²) - A(x³)), with A(0) = 0, A'(0) = 1. A382317

Oblong (or promic, pronic, or heteromecic) numbers: a(n) = n*(n+1). A2378

Number of non-isomorphic strict multiset partitions of weight n. A316980

a(n) = 2·n*(2·n-1). A2939