Properties of the Number -231591

Two Hundred Thirty-One Thousand Five Hundred Ninety-One

Basics

Value: -231592 → -231591 → -231590

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 17 × 19 × 239

Divisors: 1, 3, 17, 19, 51, 57, 239, 323, 717, 969

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111000100010100111

Octal: -704247

Duodecimal: -B2033

Hexadecimal: -388a7

Square: 53634391281

Square Root: 481.2390258489018

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 4-tuples (w,x,y,z) with all terms in {1,...,n} and w·x >= 2·y*z. A211809

Numbers n such that the sum of the digits of n to some power divided by the sum of the digits equal n. A257787