Properties of the Number -31923

Thirty-One Thousand Nine Hundred Twenty-Three

Basics

Value: -31924 → -31923 → -31922

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 3547

Divisors: 1, 3, 9, 3547, 10641, 31923

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111110010110011

Octal: -76263

Duodecimal: -16583

Hexadecimal: -7cb3

Square: 1019077929

Square Root: 178.67008703193716

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

Numbers n such that (n+j) mod (2+j) = 1 for j from 0 to 6 and (n+7) mod 9 <> 1. A96025

G.f.: 1/sqrt(1 - 6·x - 55·x²). A322244

a(n) = T(n) concatenated with reverse(T(n)) divided by 11, where T(n) is the n-th triangular number. A84008

Number of numbers below 10ⁿ with nonzero multiplicative digital root 8. A51828

Numbers n such that xⁿ + x⁵ + x⁴ + x³ + x² + x + 1 is irreducible over GF(2). A57484