Properties of the Number 28896

Twenty-Eight Thousand Eight Hundred Ninety-Six

Basics

Value: 28895 → 28896 → 28897

Parity: even

Prime: No

Previous Prime: 28879

Next Prime: 28901

Digit Sum: 33

Digital Root: 6

Palindrome: No

Factorization: 2 ⁵ × 3 × 7 × 43

Divisors: 1, 2, 3, 4, 6, 7, 8, 12, 14, 16

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000011100000

Octal: 70340

Duodecimal: 14880

Hexadecimal: 70e0

Square: 834978816

Square Root: 169.98823488700623

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) = ∑_k=1..n-1 k²*σ(k)*σ(n-k). A477

Values of n such that 4ⁿ ends in n, or expomorphic numbers in base 4. A288845

Numbers n such that σ(n) = 11*φ(n) (where σ=A000203, φ=A000010). A171257

Numbers that, when expressed in base 4 and then interpreted in base 10, yield a multiple of the original number. A32540

Row sums of array A090452 (s2_3,2, scaled (3,2)-Stirling2). A90442

A sequence derived from pentagonal numbers, or a Stirling number of the first kind matrix. A94952

Expansion of s(q)⁴ in powers of q where s() is a cubic AGM function. A133078

Triangle read by rows: T(n,k) = ∑_{i <= n, j <= k, (i,j) <> (n,k)} T(i,j), starting with T(1,1) = 1, for n >= 1 and 1 <= k <= n. A192933

Expansion of 1/(theta₃(q) * theta₃(q²)), where theta₃() is the Jacobi θ function. A320069

Sequence lists numbers k > 1 such that k² == φ(k) (mod σ(k)), where φ = A000010 and σ = A000203. A324214