Properties of the Number 28926

Twenty-Eight Thousand Nine Hundred Twenty-Six

Basics

Value: 28925 → 28926 → 28927

Parity: even

Prime: No

Previous Prime: 28921

Next Prime: 28927

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 1607

Divisors: 1, 2, 3, 6, 9, 18, 1607, 3214, 4821, 9642

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000011111110

Octal: 70376

Duodecimal: 148A6

Hexadecimal: 70fe

Square: 836713476

Square Root: 170.0764533967004

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) = n! * ∑_k=0..n k⁴ / k!. A337002

Square array T(n,k), n>=0, k>=0, read by antidiagonals, where T(n,k) = n! * ∑_j=0..n j^k/j!. A337085

Number of ordered unlabeled rooted trees with n nodes such that the minimal outdegree of inner nodes equals 2. A244531

Values of n such that N=(an+1)(bn+1)(cn+1) is a 3-Carmichael number (A087788), where a,b,c = 1,2,35. A64254

Numbers n such that (n + prime(n)), (n+1 + prime(n+1)), (n+2 + prime(n+2)) and (n+3 + prime(n+3)) are divisible by 5. A107582

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 243", based on the 5-celled von Neumann neighborhood. A271002

Expansion of ∏_{i>=1, j>=1} (1 + x^i·j) * (1 + x^2·i*j). A329467

Number of pairs of minimal vectors in n-dimensional lattice Kappa_n. A28926