Properties of the Number 44240

Forty-Four Thousand Two Hundred Forty

Basics

Value: 44239 → 44240 → 44241

Parity: even

Prime: No

Previous Prime: 44221

Next Prime: 44249

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 5 × 7 × 79

Divisors: 1, 2, 4, 5, 7, 8, 10, 14, 16, 20

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010110011010000

Octal: 126320

Duodecimal: 21728

Hexadecimal: acd0

Square: 1957177600

Square Root: 210.3330692021585

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

a(n) = n*(n+2)*(2·n-1)/3. Also, row sums of triangle A131422. A131423

A046802(x,y) --> A046802(x,y+1), transform of e.g.f. for the graded number of positroids of the totally nonnegative Grassmannians G+(k,n); enumerates faces of the stellahedra. A248727

Number of ways to quarter a 2n X 2n chessboard. A3213

Bisect A053445 then calculate the first differences of the resulting sequence. A160643

a(n) = floor(M(g(n-1)+1,..,g(n))), where M is the harmonic mean and g(n) = n⁴. A227013

Irregular triangle read by rows where T(n,k) is the number of independent sets of size k in the n-hypercube graph. A354802

Total area under all the level steps in all peakless Motzkin paths of length n (n>=0). A171849

Duplicate of A131423. A143371

Triangle T(n,m) = coefficient of xⁿ in expansion of [x*(x+1)^x+1]^m = sum(n>=m, T(n,m) xⁿ*m!/n!). A202190

Triangle T(n,k) represents the coefficients of (x¹⁶*d/dx)ⁿ, where n=1,2,3,...; generalization of Stirling numbers of second kind A008277, Lah-numbers A008297. A223518