Properties of the Number -204204

Two Hundred Four Thousand Two Hundred Four

Basics

Value: -204205 → -204204 → -204203

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 7 × 11 × 13 × 17

Divisors: 1, 2, 3, 4, 6, 7, 11, 12, 13, 14

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110001110110101100

Octal: -616654

Duodecimal: -9A210

Hexadecimal: -31dac

Square: 41699273616

Square Root: 451.88936699152373

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 (1-4·x)^17/2. A20929

Expansion of (1-4·x)^21/2. A20933

Array T(i,j) = binomial(-1/2-i,j)*(-4)^j, i,j >= 0 read by antidiagonals going down. A46521

a(n) = ((3·n)!/n!²)*(γ(1+n/2)/γ(1+3n/2)). A91527

Expansion of 1/(1-4·x)^7/2. A20918

a(n) = n⁴ + n³ + n² + n. A27445

a(n) = (6n)!n!/((3n)!(2n)!²). A61162

Triangle T(n,k) = lcm(1,...,2·n+2)/((k+1)*binomial(2·k+2,k+1)). A120101

Square array T(n,k) = [xⁿ] ((1+x)^k+1 / (1-x)^k-1)ⁿ, n>=0, k>=0, read by descending antidiagonals. A330843

a(n) = 55440 * (3·n)!/((2·n)!*(n+4)!). A361039