Properties of the Number -4427

Four Hundred Twenty-Seven

Basics

Value: -4428 → -4427 → -4426

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 19 × 233

Divisors: 1, 19, 233, 4427

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1000101001011

Octal: -10513

Duodecimal: -268B

Hexadecimal: -114b

Square: 19598329

Square Root: 66.53570470055908

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.: exp( ∑_n>=1 σ(2n)*xⁿ/n ). A182818

T(n,k)=Number of nXk integer arrays with each element equal to the number of horizontal and antidiagonal neighbors less than or equal to itself. A266055

Number of 8's in all partitions of n. A24792

a(n+1) = a(n) + n·a(n-1) - a(n-2) + a(n-3). A170941

Sum of the ninth largest parts of the partitions of n into 10 squarefree parts. A326629

Partial sums of A109890. A109735

a(n) = a(n-3) + a(n-5) with initial values 1,0,0,1,0. A52920

Sum of terms of n-th group in A075383. A75386

Hyper-Wiener index of a benzenoid consisting of a spiral chain of n hexagons (s=1; see the Gutman et al. reference). A193392

Integers that need 7 iterations of the map x->A352172(x) to reach 1. A352265