Properties of the Number 28916

Twenty-Eight Thousand Nine Hundred Sixteen

Basics

Value: 28915 → 28916 → 28917

Parity: even

Prime: No

Previous Prime: 28909

Next Prime: 28921

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 2 ² × 7229

Divisors: 1, 2, 4, 7229, 14458, 28916

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111000011110100

Octal: 70364

Duodecimal: 14898

Hexadecimal: 70f4

Square: 836135056

Square Root: 170.0470523119998

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

Conjectured largest number having n representations as the sum of two twin primes p + q with p >= q. A212613

Total sum of prime parts in all compositions of n. A309561

Decimal part of a(n)^1/3 starts with a 'nine digits' anagram. A34278

Number of 4X4 0..n arrays with each 2X2 non-center subblock determinant nonzero and the array of 2X2 subblock determinants antisymmetric under 90 degree rotation. A187626

Friedlander-Iwaniec primes: Primes of form a² + b⁴. A28916

G.f. A(x) satisfies: the sum of the coefficients of x^k, k=0..n, in A(x)ⁿ equals ∑_k=0..n C(n,k)³ = A000172(n) (Franel numbers), for n>=0. A232687

Index of first occurrence of n in A129363, or 0 if no such number exists. A376287