Properties of the Number -123921

One Hundred Twenty-Three Thousand Nine Hundred Twenty-One

Basics

Value: -123922 → -123921 → -123920

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 ² × 281

Divisors: 1, 3, 7, 9, 21, 49, 63, 147, 281, 441

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -11110010000010001

Octal: -362021

Duodecimal: -5B869

Hexadecimal: -1e411

Square: 15356414241

Square Root: 352.0241468990444

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

Wiener index of a benzenoid consisting of a zig-zag chain of n hexagons (s=13; see the Gutman et al. reference). A193393

Numbers k such that φ(k) + k is a fourth power. A114072

Denominators of the Nash equilibrium of guesses for the number guessing game with n numbers. A286677