Properties of the Number 16898

Sixteen Thousand Eight Hundred Ninety-Eight

Basics

Value: 16897 → 16898 → 16899

Parity: even

Prime: No

Previous Prime: 16889

Next Prime: 16901

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 2 × 7 × 17 × 71

Divisors: 1, 2, 7, 14, 17, 34, 71, 119, 142, 238

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100001000000010

Octal: 41002

Duodecimal: 9942

Hexadecimal: 4202

Square: 285542404

Square Root: 129.99230746471116

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

Numbers that are the sum of 7 positive 7th powers. A3374

Number of regions in regular n-gon which are quadrilaterals (4-gons) when all its diagonals are drawn. A67151

Numbers k > 1 such that, in base 8, k and k² contain the same digits in the same proportion. A61662

T(n,k)=Number of nXk 0..3 arrays with values 0..3 introduced in row major order, the number of instances of each value within one of each other, and no element equal to any horizontal or vertical neighbor. A199256

G.f. A(x) satisfies A(x) = 1 + x + x·A(x)^7/2. A366453

a(n) = 15·n² - 13·n. A263226

a(n) is the determinant of the 2 X 2 matrix whose entries (when read by rows) are the n-th primes ending in 1, 3, 7, 9 respectively. A335592

Numbers n such that n!3 + 3⁷ is prime, where n!3 = n!!! is a triple factorial number (A007661). A265200

Numbers n such that σ(φ(n)) = σ(n) - φ(n). A230371

a(n) = ∑_k=0..n (k+1) * A026736(n,k). A27219