Properties of the Number 9444

Nine Thousand Four Hundred Forty-Four

Basics

Value: 9443 → 9444 → 9445

Parity: even

Prime: No

Previous Prime: 9439

Next Prime: 9461

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 787

Divisors: 1, 2, 3, 4, 6, 12, 787, 1574, 2361, 3148

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

4823 Try Today's Challenge

Representations

Binary: 10010011100100

Octal: 22344

Duodecimal: 5570

Hexadecimal: 24e4

Square: 89189136

Square Root: 97.18024490605073

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 anti-transitive rooted trees with n nodes. A306844

4-almost primes with semiprime digits (digits 4, 6, 9 only). A111496

Irregular array T(n,k) of the numbers of non-extendable (complete) non-self-adjacent simple paths starting at each of a minimal subset of nodes within a square lattice bounded by rectangles with nodal dimensions n and 5, n >= 2. A214023

Expansion of ∏_k=1..9 theta₃(q^k), where theta₃() is the Jacobi θ function. A320241

Numbers k such that the k-th composition in standard order has even length and alternately equal and unequal parts, i.e., all run-lengths equal to 2. A351011

Numbers with digits 4 and 9 only. A284973

L.g.f.: ∑_n>=1 (x - x^2·n-1)^2·n-1 / (2·n-1). A293597

Irregular array T(n,k) of the numbers of non-extendable (complete) non-self-adjacent simple paths starting at each of a minimal subset of nodes within a square lattice bounded by rectangles with nodal dimensions n and 8, n >= 2. A214038

G.f. satisfies: A(x) = (1+x)/(1-x) * A(x²)*A(x³)*A(x⁴)*...*A(xⁿ)*... . A318767

Indices of records in A341755 (= length of chain of (k,k+1) sharing a digit with k+(k+1), starting at n). A341757