Properties of the Number -423640

Four Hundred Twenty-Three Thousand Six Hundred Forty

Basics

Value: -423641 → -423640 → -423639

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 5 × 7 × 17 × 89

Divisors: 1, 2, 4, 5, 7, 8, 10, 14, 17, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1100111011011011000

Octal: -1473330

Duodecimal: -1851B4

Hexadecimal: -676d8

Square: 179470849600

Square Root: 650.8763323397156

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

Number of n-moves paths of a king starting and ending at the origin of an infinite chessboard. A94061

Square array T(n,k), n>=0, k>=0, read by antidiagonals, where T(n,k) is the constant term in the expansion of ((∑_j=-n..n x^j) * (∑_j=-n..n y^j) - (∑_j=-n+1..n-1 x^j) * (∑_j=-n+1..n-1 y^j))^k. A329074

Square array T(n,k), n>=0, k>=0, read by antidiagonals, where T(n,k) is the number of k-step closed paths (from origin to origin) in 2-dimensional lattice, using steps (t₁,t₂) (|t₁| + |t₂| = n). A329078

Minimal absolute discriminants |d| of imaginary quadratic number fields K = Q(sqrt(d)), d < 0, with elementary bicyclic 3-class group Cl₃(K)=(3,3) and second 3-class group M=Gal(F₃²(K)/K) of assigned even coclass cc(M)=2,4,6,8,... A380102