Properties of the Number 9042

Nine Thousand Forty-Two

Basics

Value: 9041 → 9042 → 9043

Parity: even

Prime: No

Previous Prime: 9041

Next Prime: 9043

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 11 × 137

Divisors: 1, 2, 3, 6, 11, 22, 33, 66, 137, 274

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001101010010

Octal: 21522

Duodecimal: 5296

Hexadecimal: 2352

Square: 81757764

Square Root: 95.08943158942533

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 binary partitions: number of partitions of 2n into powers of 2. A123

Coordination sequence for "svh" 3D uniform tiling. A299283

List of integers m>0 with m-1 and m+1 both prime, and m-2, m, m+2 all practical. A209236

Triangle T(n,k) with the coefficient [x^k] of the series (1-x)ⁿ⁺¹ * ∑_j>=0 binomial(n+3·j,3·j)*x^j, in row n, column k. A178618

Number of medial Legendrian quandles of order n, up to isomorphism. A383831

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays containing all values 0..3 with every 2X2 subblock having three or four distinct values, and new values 0..3 introduced in row major order. A210183

Number of n-regular, N₀-weighted pseudographs on 2 vertices with total edge weight 9, up to isomorphism. A358249

Coefficient of x⁷ in expansion of (1+x+x²)ⁿ. A5715

Number of partitions of n such that the number of different parts is odd. A90794

T(n,k)=Number of nXk 0..1 arrays with no element equal to a strict majority of its horizontal and vertical neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards. A279268