Properties of the Number 22944

Twenty-Two Thousand Nine Hundred Forty-Four

Basics

Value: 22943 → 22944 → 22945

Parity: even

Prime: No

Previous Prime: 22943

Next Prime: 22961

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ⁵ × 3 × 239

Divisors: 1, 2, 3, 4, 6, 8, 12, 16, 24, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 101100110100000

Octal: 54640

Duodecimal: 11340

Hexadecimal: 59a0

Square: 526427136

Square Root: 151.4727698300919

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+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00001001. A260248

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000101 00010001 or 00010101. A260609

Numbers m such that the smallest digit in the decimal expansion of 1/m is 3, ignoring leading and trailing 0's. A352157

a(n+1) = 4·a(n) + 4·a(n-1) - 4·a(n-2) - a(n-3) with a(1)=1, a(2)=2, a(3)=11, a(4)=48. A54894

Array read by antidiagonals: T(m,n) = number of placements of zero or more dominoes on the m X n grid where no two empty squares are horizontally adjacent. A332862

Number of 2n-step self-avoiding closed paths on the 4-dimensional cubic lattice. A10568

G.f.: ∑_n>=1 (2*(1+x)ⁿ - 1) * ((1+x)ⁿ - 1)^n-1. A220266

Number of sequences of length n over {1, -1} with Erdős discrepancy <= 2. A181740

Number of edges in a Farey fan of order n. A360043

θ series of laminated lattice LAMBDA₁₀. A6909