Properties of the Number -18924

Eighteen Thousand Nine Hundred Twenty-Four

Basics

Value: -18925 → -18924 → -18923

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 24

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 19 × 83

Divisors: 1, 2, 3, 4, 6, 12, 19, 38, 57, 76

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -100100111101100

Octal: -44754

Duodecimal: -AB50

Hexadecimal: -49ec

Square: 358117776

Square Root: 137.56453031214116

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

T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every 2X2 subblock having a single 1 or two 1s on the same edge or main diagonally. A251292

Sum of the seventh largest parts in the partitions of n into 9 parts. A326467

Number of trapezoidal words of length n. A260881

exp( ∑_n>=1 A226561(n)*xⁿ/n ), where A226561(n) = ∑_d∣n dⁿ*φ(d). A226560

Expansion of Jacobi θ constant (theta₂/2)²⁰. A14806

Number of (n+1)X(n+1) 0..1 arrays with every 2X2 subblock having a single 1 or two 1s on the same edge or main diagonally. A251284

Number of (n+1)X(4+1) 0..1 arrays with every 2X2 subblock having a single 1 or two 1s on the same edge or main diagonally. A251288

a(n) = 6·n*(9·n-5). A277984

Number of 5-tuples of different integers from [ 2,n ] with no common factors among triples. A15649

Multiplicity of highest weight (or singular) vectors associated with character chi₁₃ of Monster module. A34401