Properties of the Number 43664

Forty-Three Thousand Six Hundred Sixty-Four

Basics

Value: 43663 → 43664 → 43665

Parity: even

Prime: No

Previous Prime: 43661

Next Prime: 43669

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ⁴ × 2729

Divisors: 1, 2, 4, 8, 16, 2729, 5458, 10916, 21832, 43664

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010101010010000

Octal: 125220

Duodecimal: 21328

Hexadecimal: aa90

Square: 1906544896

Square Root: 208.95932618574363

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 sets in the geometry determined by the Hausdorff metric at each location between two sets defined by a complete bipartite graph K(4,n) (with n at least 4) missing three edges, where all three removed edges are incident to different vertices in the 4-point set but all three removed edges are incident to the same vertex in the other set. A340433

Number of sets in the geometry determined by the Hausdorff metric at each location between two sets defined by a complete bipartite graph K(5,n) (with n at least 4) missing three edges, where all three removed edges are incident to the same vertex in the 5-point set. A342580

Positions of A080299 in A014486. A80298

a(n) is the maximum integer for which some minimum-length sum equaling a(n) of perfect squares less than n² excludes (n-1)². A377084

Number of (n+2) X (3+2) 0..1 arrays with every 2 X 2 and 3 X 3 subblock diagonal maximum minus antidiagonal minimum nondecreasing horizontally and vertically. A253505

The revolver sequence. A165646

Numbers whose base-14 representation has exactly 3 runs. A43664