Properties of the Number -160083

One Hundred Sixty Thousand Eighty-Three

Basics

Value: -160084 → -160083 → -160082

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ³ × 7 ² × 11 ²

Divisors: 1, 3, 7, 9, 11, 21, 27, 33, 49, 63

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100111000101010011

Octal: -470523

Duodecimal: -78783

Hexadecimal: -27153

Square: 25626566889

Square Root: 400.10373654841067

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

Successive denominators of Wallis's approximation to π/2 (reduced). A1902

Denominators of the column sums of the BG2 matrix. A161736

Largest number of maximum matchings in a tree of n vertices. A333347

Least term of A094179 with exactly 2n divisors. A204046

Denominator of 2n/v(n)², where v(1) = 0, v(2) = 1, and v(n) = v(n-1)/(n-2) + v(n-2) for n >= 3. (Limit of 2n/v(n)² is π.) A239225

a(n) = numerator(r(n)) where r(n) = (n/2)*(π/2)^cos(π*(n-1))*((n/2-1/2)!/(n/2)!)². A380949

Number of length n+1 0..2 arrays with at most one downstep in every n consecutive neighbor pairs. A255108

Number of chordless cycles in the complete tripartite graph K_n,n,n. A297662