Properties of the Number -927

Nine Hundred Twenty-Seven

Basics

Value: -928 → -927 → -926

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 103

Divisors: 1, 3, 9, 103, 309, 927

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1110011111

Octal: -1637

Duodecimal: -653

Hexadecimal: -39f

Square: 859329

Square Root: 30.44667469527666

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.: ∑_n=-oo..+oo n·xⁿ * (1 - xⁿ)ⁿ. A291937

Expansion of ∏_k>=1 (1 - k^k*x^k)^k. A294809

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of ∏_j>=1 (1-j^k·j*x^j)^j in powers of x. A294808

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals, where column k is the expansion of exp(-∑_j>0 sigma_k(j)*x^j/j) in powers of x. A294947

Determinant of the n X n Hankel matrix whose entries are s₂ (i+j), 0 <= i, j < n, where s₂ is the sum of the base-2 bits. A56886

a(n+3) = a(n) - a(n+1) - a(n+2); a(0) = -5, a(1) = 6, a(2) = 0. A105580

Expansion of (1-x)^-1/(1-2·x+2·x³). A77853

a(n) = ∑_k=0..n (-1)^n-k*(n!/k!)²*binomial(n,k). A119401

Tribonacci numbers: a(n) = a(n-1) + a(n-2) + a(n-3) for n >= 3 with a(0) = a(1) = 0 and a(2) = 1. A73

Flavius Josephus's sieve: Start with the natural numbers; at the k-th sieving step, remove every (k+1)-st term of the sequence remaining after the (k-1)-st sieving step; iterate. A960