Properties of the Number -108680

One Hundred Eight Thousand Six Hundred Eighty

Basics

Value: -108681 → -108680 → -108679

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ³ × 5 × 11 × 13 × 19

Divisors: 1, 2, 4, 5, 8, 10, 11, 13, 19, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11010100010001000

Octal: -324210

Duodecimal: -52A88

Hexadecimal: -1a888

Square: 11811342400

Square Root: 329.66649814623264

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 rooted toroidal maps with 2 faces and n vertices and without separating cycles or isthmuses. A6422

Numbers n such that A324187(n) = 0. A324199

Sum of numbers under a triangle on a spiral staircase of width 10. A111080

Number of unlabeled semi-binary rooted trees with n nodes in which the non-leaf branches directly under any given node are all equal. A320271

Numbers k such that A360327(k) = A360327(k+1) > 1. A360358

Product of Lucas and Catalan numbers: a(n) = A000032(n+1)*A000108(n). A216541