Properties of the Number -189580

One Hundred Eighty-Nine Thousand Five Hundred Eighty

Basics

Value: -189581 → -189580 → -189579

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 5 × 9479

Divisors: 1, 2, 4, 5, 10, 20, 9479, 18958, 37916, 47395

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101110010010001100

Octal: -562214

Duodecimal: -91864

Hexadecimal: -2e48c

Square: 35940576400

Square Root: 435.407854775267

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

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards. A204039

Sum of squares of first n positive integers congruent to 1 mod 3. A24215

Number of open knight's tour diagrams of a 3 X n chessboard that are symmetric under 180-degree rotation and have "type B": the endpoints occur in different columns and disagree in color with the cells in the nearest corner. A169775

Number of (n+1)X5 0..1 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards. A204035

Number of (n+1)X6 0..1 arrays with the sums of 2X2 subblocks nondecreasing rightwards and downwards. A204036