Properties of the Number -205131

Two Hundred Five Thousand One Hundred Thirty-One

Basics

Value: -205132 → -205131 → -205130

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 12

Digital Root: 3

Palindrome: No

Factorization: 3 × 101 × 677

Divisors: 1, 3, 101, 303, 677, 2031, 68377, 205131

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -110010000101001011

Octal: -620513

Duodecimal: -9A863

Hexadecimal: -3214b

Square: 42078727161

Square Root: 452.9138991022466

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

Number of 6 X n 0..1 arrays with rows, diagonals and antidiagonals unimodal and columns nondecreasing. A223842

Number of ways to place zero or more nonadjacent 1,0 1,1 2,0 3,1 3,2 4,3 polyhexes in any orientation on a planar nXnXn triangular grid. A155304