Properties of the Number -23272

Twenty-Three Thousand Two Hundred Seventy-Two

Basics

Value: -23273 → -23272 → -23271

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ³ × 2909

Divisors: 1, 2, 4, 8, 2909, 5818, 11636, 23272

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -101101011101000

Octal: -55350

Duodecimal: -11574

Hexadecimal: -5ae8

Square: 541585984

Square Root: 152.55163060419906

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

Starts for strings of at least five consecutive nonsquarefree numbers. A78144

Expansion of e.g.f. 1 / (4 - 3·exp(x))^2/3. A365558

G.f. A(x) satisfies 1/2 = ∑_n=-oo..+oo xⁿ * (A(x) + xⁿ)^n-1. A379763

a(n) = sum of terms in n-th row of A078448. A78449

0-sequence of reduction of (3n-2) by x² -> x+1. A192311

a(n) = 54·n² - 26·n + 4 (n>=1). A304381

a(n) = 17·n² - 1. A321180

Triangle read by rows: T(n, k) = 2^k * hypergeom([-n, -k], [], 1/2). A375854

Triangle T(n,m) read by rows: T(n,m) = ( Eulerian(n,m) - Binomial(n,m)² )/2, n >= 4, 2 <= m = <= n-1. A154353

Triangle of generalized Stirling numbers of the lower level of the hierarchy (case m=2). A377058