Properties of the Number 12944

Twelve Thousand Nine Hundred Forty-Four

Basics

Value: 12943 → 12944 → 12945

Parity: even

Prime: No

Previous Prime: 12941

Next Prime: 12953

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁴ × 809

Divisors: 1, 2, 4, 8, 16, 809, 1618, 3236, 6472, 12944

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11001010010000

Octal: 31220

Duodecimal: 75A8

Hexadecimal: 3290

Square: 167547136

Square Root: 113.77170122662314

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

Indices n such that the 3 X 3 matrix with components (row by row) prime(n+k), 0 <= k <= 8, has zero determinant. A117345

Number of ways to place 8 nonattacking bishops on an n X n board. A187240

Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 30", based on the 5-celled von Neumann neighborhood. A285538

a(n) = 7·n² + 1. A247541

Nonsquares in A277699 listed in the order of their appearance. A277805

Number of ordered triples (w,x,y) with all terms in {1,...,n} and 2w³>=x³+y³. A211804

Total number of ways to place k nonattacking bishops on an n X n chess board. Triangle T(n,k) read by rows (0 <= k <= 2·n-[n>0]-[n>1]). A378590

Number of strings of numbers x(i=1..6) in 0..n with sum i·x(i)³ equal to 6·n³. A184723

Expansion of g.f.: -1/(-1 + x + x⁴ - x¹⁰ + x¹³ + x¹⁴). A174578

Number of permutations of 0..(n-1) representable as 1,4,6,4,1-weighted consecutive sums of 5 adjacent elements of a sequence of n+4 nonnegative integers. A180215