Properties of the Number -42971

Forty-Two Thousand Nine Hundred Seventy-One

Basics

Value: -42972 → -42971 → -42970

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 97 × 443

Divisors: 1, 97, 443, 42971

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1010011111011011

Octal: -123733

Duodecimal: -20A4B

Hexadecimal: -a7db

Square: 1846506841

Square Root: 207.2944765303697

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

The number of irreducible zero-sum subsets of T(n) = {-2·n+1, -2·n+3, ..., -3, -1, 1, 3, ..., 2·n-3, 2·n-1} that contain -2·n+1 but not 2·n-1. A390083

Triangle, read by rows, where the k-th column equals the k-th self-composition of column 1 (A120567) for k>=0, such that row sums equal column 1. A120568

G.f. A(x) satisfies: [x^n-1] (1+x)^n*(n-1) / A(x)ⁿ = 0 for n>1. A303061