Properties of the Number 9441

Nine Thousand Four Hundred Forty-One

Basics

Value: 9440 → 9441 → 9442

Parity: odd

Prime: No

Previous Prime: 9439

Next Prime: 9461

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 1049

Divisors: 1, 3, 9, 1049, 3147, 9441

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010011100001

Octal: 22341

Duodecimal: 5569

Hexadecimal: 24e1

Square: 89132481

Square Root: 97.16480844420988

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

Maximal entry in row n of triangle in A169950. A169954

a(n) is the number of integer lattice points inside the right triangle with legs 3n and 4n (and hypotenuse 5n). A126587

Partial sums of A160239. A245542

Triangular array T(n,k), read by rows: coefficients of strong divisibility sequence of polynomials p(1,x) = 1, p(2,x) = 1 + 3·x, p(n,x) = u·p(n-1,x) + v·p(n-2,x) for n >= 3, where u = p(2,x), v = 3 - x². A368152

a(n) = least m such that if r and s in {1/1, 1/4, 1/7, ..., 1/(3n-2)} satisfy r < s, then r < k/m < (k+1)/m < s for some integer k. A24836

Number of solutions to +- 1² +- 2² +- 3² +- ... +- n² = n². A368243

Numbers k such that 5·2^k + 3 is prime. A58586

Odd numbers for which σ(k) is congruent to 2 modulo 4 and the 3-adic valuation of k is one larger than the 3-adic valuation of σ(k). A351534

Record values in A046641. A145771

a(n) = 9·n² - 11·n + 3. A214660