Properties of the Number -2231

Two Hundred Thirty-One

Basics

Value: -2232 → -2231 → -2230

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 8

Digital Root: 8

Palindrome: No

Factorization: 23 × 97

Divisors: 1, 23, 97, 2231

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: -100010110111

Octal: -4267

Duodecimal: -135B

Hexadecimal: -8b7

Square: 4977361

Square Root: 47.23346271447817

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

Coefficients in asymptotic expansion of sequence A293251. A293264

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 437", based on the 5-celled von Neumann neighborhood. A272156

a(n) = round(10000·log(n/10)). A104077

Expansion of e.g.f. exp(sin(x)-sin(x)²). A189422

Odd numbers not of form p + 2^k (de Polignac numbers). A6285

Decimal encoding of the prime factorization of n: concatenation of prime factors and exponents. A67599

Super-3 Numbers (3n³ contains substring '333' in its decimal expansion). A14569

Heinz numbers of integer partitions of n into distinct perfect squares (A033461). A324587

T(n,k)=Number of nXnXn triangular 0..k arrays with every horizontal row nondecreasing, first elements of rows nonincreasing, last elements of rows nondecreasing, and every row having the same average value. A215182

Numbers that, when expressed in base 2 and then interpreted in base 10, yield a multiple of the original number. A32533