Properties of the Number 12884

Twelve Thousand Eight Hundred Eighty-Four

Basics

Value: 12883 → 12884 → 12885

Parity: even

Prime: No

Previous Prime: 12853

Next Prime: 12889

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 3221

Divisors: 1, 2, 4, 3221, 6442, 12884

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11001001010100

Octal: 31124

Duodecimal: 7558

Hexadecimal: 3254

Square: 165997456

Square Root: 113.50770898930169

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 regions formed by drawing the lines connecting any two of the 2*(n+2) perimeter points of a 3 X (n+1) rectangular grid of points (or equally, a 2 X n grid of squares). A331766

Length of n-th term in Look and Say sequences A005150 and A007651. A5341

Consider the Diophantine equation x³ + y³ = z³ - 1 (0 < x < y < z) or 'Fermat near misses'. Arrange solutions by increasing values of z. Sequence gives values of z. A50787

Expansion of q^-1 * ψ(-q) / ψ(-q³)³ in powers of q where ψ() is a Ramanujan θ function. A133637

Start with 83; if even, divide by 2; if odd, add next three primes: Orbit of 83 under iterations of A174221, the "PrimeLatz" map. A293979

Expansion of q^-1 * ψ(q) / ψ(q³)³ in powers of q where ψ() is a Ramanujan θ function. A258093

Number of trapezoidal words of length n. A260881

Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 62", based on the 5-celled von Neumann neighborhood. A278666

Expansion of f(-x, x²) / f(-x, -x³)³ in powers of·where f(, ) is Ramanujan's general θ function. A263993

Integer c such that (a³ + b³ - c³)² = 1 where a,b,c are integers greater than 2. A281224