Properties of the Number -189940

One Hundred Eighty-Nine Thousand Nine Hundred Forty

Basics

Value: -189941 → -189940 → -189939

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 × 9497

Divisors: 1, 2, 4, 5, 10, 20, 9497, 18994, 37988, 47485

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101110010111110100

Octal: -562764

Duodecimal: -91B04

Hexadecimal: -2e5f4

Square: 36077203600

Square Root: 435.82106419951754

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

G.f. A(x,y) satisfies: A( x - y·A(x,y)², y) = x + (1-y)*A(x,y)², where the coefficients T(n,k) of xⁿ*y^k form a triangle read by rows n>=1, for k=0..n-1. A277295

Column 2 of triangle A277295; a(n) = A277295(n+2,2). A277296