Properties of the Number -272

Two Hundred Seventy-Two

Basics

Value: -273 → -272 → -271

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: Yes

Factorization: 2 ⁴ × 17

Divisors: 1, 2, 4, 8, 16, 17, 34, 68, 136, 272

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100010000

Octal: -420

Duodecimal: -1A8

Hexadecimal: -110

Square: 73984

Square Root: 16.492422502470642

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

a(n) = 2ⁿ*E(n, 1) where E(n, x) are the Euler polynomials. A155585

Triangle read by rows: coefficients of polynomials in ∑_{k = 0..t} kⁿ * binomial(t,k). A209849

a(n) = Fibonacci(n-1)² - Fibonacci(n)². A121646

Expansion of η(q)⁶ * η(q²) / η(q⁴)² in powers of q. A245643

Expansion of r(q²) / r(q)² in powers of q where r() is the Rogers-Ramanujan continued fraction. A285348

Coefficients of the ω polynomials of order 2, triangle T(n,k) read by rows with 0<=k<=n. A318146

Triangle of tanh numbers. A111593

Triangle of coefficients of the polynomials (1 - x)ⁿ*A(n,x/(1 - x)), where A(n,x) are the Eulerian polynomials of A008292. A141720

Triangle read by rows: coefficients of the complementary Swiss-Knife polynomials. A162660

G.f.: ∑_n>=0 xⁿ/(1 + xⁿ)ⁿ. A217670