Properties of the Number -158680

One Hundred Fifty-Eight Thousand Six Hundred Eighty

Basics

Value: -158681 → -158680 → -158679

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 5 × 3967

Divisors: 1, 2, 4, 5, 8, 10, 20, 40, 3967, 7934

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100110101111011000

Octal: -465730

Duodecimal: -779B4

Hexadecimal: -26bd8

Square: 25179342400

Square Root: 398.3465827643059

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

The number of steps for a knight to be trapped when moving on a spirally numbered hexagonal board to the lowest available unvisited cell and starting at cell n. A333683

Number of strong starters in cyclic group of order 2n+1. A1443

Number of nX3 0..1 arrays with every element equal to 0, 1 or 4 horizontally or antidiagonally adjacent elements, with upper left element zero. A301959

a(n) is the permanent of the Vandermonde matrix of the divisors of n. A389590