Properties of the Number 28316

Twenty-Eight Thousand Three Hundred Sixteen

Basics

Value: 28315 → 28316 → 28317

Parity: even

Prime: No

Previous Prime: 28309

Next Prime: 28319

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 7079

Divisors: 1, 2, 4, 7079, 14158, 28316

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 110111010011100

Octal: 67234

Duodecimal: 14478

Hexadecimal: 6e9c

Square: 801795856

Square Root: 168.27358675680506

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) is the total number of pentagrams in a variant of pentagram fractal after n iterations. A256571

Numbers k such that τ(k) + τ(k+1) + τ(k+2) + τ(k+3) = 16, where τ is the number of divisors function A000005. A350686

Expansion of ∏_k>0 theta₄(q^k)/theta₃(q^k), where theta₃() and theta₄() are the Jacobi θ functions. A320970

O.g.f. A(x) satisfies: [xⁿ] exp( n·x*A(x) ) * (n+1 - n·A(x)) = 0 for n >= 1. A317338

a(0) = 1, a(n) = 26·n² + 2 for n>0. A10016

Numbers n such that 123·2ⁿ-1 is prime. A50587

Odd elements in the 5-Pascal triangle A028313 that are not 1. A28316

The Wiener index of the nanostar dendrimer NSC_5C_6[n], defined pictorially in the A. R. Ashrafi et al. reference and in the M. Rostami et al. reference. A221052