Properties of the Number -461

Four Hundred Sixty-One

Basics

Value: -462 → -461 → -460

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 11

Digital Root: 2

Palindrome: No

Factorization: 461

Divisors: 1, 461

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111001101

Octal: -715

Duodecimal: -325

Hexadecimal: -1cd

Square: 212521

Square Root: 21.470910553583888

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

Expansion of e.g.f.: exp(x * (1 - x)). A293604

Expansion of (-3-164·x-x²)/(1-99·x+99·x²-x³). A261004

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where T(n,k) = n! * ∑_{j=0..floor(n/2)} (-k/2)^j * binomial(n-j,j)/(n-j)!. A362277

Row sums of a number triangle related to the Pell numbers. A110331

G.f. A(x) satisfies: [xⁿ] A(x)ⁿ = [xⁿ] A(x)^n-1 for n>1 with A(0)=A'(0)=1. A158882

Expansion of g.f.: 1/(∑_{k >= 0} k!*x^k). A167894

First differences of A000463. A188652

G.f. A(x) satisfies: A(x) = A(x² - x⁴)/x. A350475

a(n) = A325977(A228058(n)). A389217

Matrix inverse of triangle A104980. A104984