Properties of the Number -2331

Three Hundred Thirty-One

Basics

Value: -2332 → -2331 → -2330

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 9

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 37

Divisors: 1, 3, 7, 9, 21, 37, 63, 111, 259, 333

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100100011011

Octal: -4433

Duodecimal: -1423

Hexadecimal: -91b

Square: 5433561

Square Root: 48.28043081829324

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

G.f.: ∏_k>0 (1-x^2k-1)/(1-x^2k). A106507

a(n) = ∑_k=1..n (-1)^k-1 * binomial(k+3,4) * floor(n/k). A366939

Values of n such that L(3) and N(3) are both prime, where L(k) = (n²+n+1)*2^2·k + (2·n+1)*2^k + 1, N(k) = (n²+n+1)*2^k + n. A226923

Expansion of e.g.f.: arcsin(sinh(x)*log(x+1))=2/2!*x²-3/3!*x³+12/4!*x⁴-40/5!*x⁵... A12511

Expansion of e.g.f.: sinh(sinh(x)*log(x+1))=2/2!*x²-3/3!*x³+12/4!*x⁴-40/5!*x⁵... A12514

Centered cube numbers: n³ + (n+1)³. A5898

G.f.: ∏_k>=1 (1 + x^{2·k - 1}) / (1 - x^2·k). A6950

Numbers > 1000 such that all the substrings of length = 3 are primes (substrings with leading '0' are considered to be nonprime). A211684

Generalized 13-gonal numbers: m*(11·m-9)/2 with m = 0, 1, -1, 2, -2, 3, -3, ... A195313

Number of unimodal partitions/compositions of n into distinct terms. A72706