Properties of the Number -20884

Twenty Thousand Eight Hundred Eighty-Four

Basics

Value: -20885 → -20884 → -20883

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 23 × 227

Divisors: 1, 2, 4, 23, 46, 92, 227, 454, 908, 5221

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -101000110010100

Octal: -50624

Duodecimal: -10104

Hexadecimal: -5194

Square: 436141456

Square Root: 144.512975196001

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

Numbers n such that Bernoulli number B_n has denominator 1410. A272369

The number of permutations p of {1,...,n} such that |p(i)-p(i+1)| is in {3,4} for all i from 1 to n-1. A174706

Molien series for invariants of finite Coxeter group A₁₀. A266779

Sum of the corners of a 2n+1 X 2n+1 square spiral. A325958

Numbers whose base-12 representation has exactly 5 runs. A43654

Even indices of multidigit primes with digits in strictly increasing order. A155776

G.f. satisfies: A(x) = ∑_n>=0 xⁿ*A(x)^n²/(1 - x·A(x)ⁿ)ⁿ. A192209