Properties of the Number 16916

Sixteen Thousand Nine Hundred Sixteen

Basics

Value: 16915 → 16916 → 16917

Parity: even

Prime: No

Previous Prime: 16903

Next Prime: 16921

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 4229

Divisors: 1, 2, 4, 4229, 8458, 16916

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100001000010100

Octal: 41024

Duodecimal: 9958

Hexadecimal: 4214

Square: 286151056

Square Root: 130.06152390311286

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

Expansion of (sqrt(1-4x)-x)/(1-4x). A127275

G.f.: exp( ∑_n>=1 (xⁿ/n) / ∏_d∣n (1 - d·xⁿ) ). A198296

Let 2^k = smallest power of 2 >= binomial(n,[n/2]); a(n) = 2^k - binomial(n,[n/2]). A94779

Let 2^k = smallest power of 2 >= binomial(2n,n); a(n) = 2^k - binomial(2n,n). A94780

Square table, read by antidiagonals, of coefficients of x^k in the n-th self-composition of the g.f. of A120009, so that: T(n,k) = [x^k] { (x-x²) o x/(1-n·x) o (1-sqrt(1-4·x))/2 } for n>=1, k>=1. A120013

Numbers k such that k² + 1 = p·q, p and q primes and |p-q| is square. A187401

Numbers n such that the sum of the numbers in the Collatz (3x+1) iteration of n is a perfect square. A225866

Expansion of e.g.f. exp( x/(1-x)² ) / (1-x)³. A389992

Number of partitions satisfying cn(2,5) + cn(3,5) < cn(0,5) + cn(1,5) + cn(4,5). A39869

Number of Motzkin excursions of length n with an even number of humps and without peaks. A325918