Properties of the Number -20432

Twenty Thousand Four Hundred Thirty-Two

Basics

Value: -20433 → -20432 → -20431

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 2 ⁴ × 1277

Divisors: 1, 2, 4, 8, 16, 1277, 2554, 5108, 10216, 20432

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100111111010000

Octal: -47720

Duodecimal: -B9A8

Hexadecimal: -4fd0

Square: 417466624

Square Root: 142.9405470816451

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 ∏_n>0 ((1-xⁿ)/(1+xⁿ))^n² in powers of x. A285988

Number of permutations of 1..n with the sum of squared adjacent differences <= (n-1)*n*(n+1)/6. A180072

Number of right triangles on a (n+1) X 4 grid. A189808

Expansion of g.f. Product((1+xⁱ)/(1-xⁱ),i=1..n-1)/(1-xⁿ), with n = 6. A91774

Numbers k such that if P = 10·k²+1, then P, P+6, P+12 and P+18 are all primes. A92446