Properties of the Number -54321

Fifty-Four Thousand Three Hundred Twenty-One

Basics

Value: -54322 → -54321 → -54320

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 3 × 19 × 953

Divisors: 1, 3, 19, 57, 953, 2859, 18107, 54321

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101010000110001

Octal: -152061

Duodecimal: -27529

Hexadecimal: -d431

Square: 2950771041

Square Root: 233.06865941177077

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

Concatenation of numbers from n down to 1. A422

Concatenation of digits of natural numbers from n down to 1. A104759

a(n) = concatenation of reversed digits of natural numbers from n down to 1. A138793

Number of zeros in numbers 1 to 111...1 (n+1 digits). A14925

a(n) = 1+2n+3n²+4n³+5n⁴. A56579

Add (n mod 10)*10^n-1 to the previous term, with a(0) = 0. A57138

Factorial codes for the fixed points of the square of Vaillé's 1997 bijection on Dyck paths. A126299

n written in fractional base 6/5. A24638

String together the first n numbers in an order which maximizes the result. A60554

Nonnegative numbers with digits in descending order that differ exactly by 1. A138142