Properties of the Number 16238

Sixteen Thousand Two Hundred Thirty-Eight

Basics

Value: 16237 → 16238 → 16239

Parity: even

Prime: No

Previous Prime: 16231

Next Prime: 16249

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 23 × 353

Divisors: 1, 2, 23, 46, 353, 706, 8119, 16238

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

8509 Try Today's Challenge

Representations

Binary: 11111101101110

Octal: 37556

Duodecimal: 9492

Hexadecimal: 3f6e

Square: 263672644

Square Root: 127.42841127472319

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

Companion Pell numbers: a(n) = 2·a(n-1) + a(n-2), a(0) = a(1) = 2. A2203

Number of subsets of {1,2,...,n} with relatively prime elements. A85945

Row sums of A168281. A168380

Numbers k such that (k² + 4)/2 is a square. A77444

Number of points of L1 norm 3 in cubic lattice Zⁿ. A35597

a(n) = floor((1+sqrt(2))ⁿ). A80039

Expansion of x²*(2 - x + x²) / ((1 + x)*(1 - x)⁴). A26035

Numerators of continued fraction convergents to sqrt(8). A41010

Expansion of (1+x²)/(1-2·x-x²). A99425

Numbers k such that (2·k)!/(2*(k!)²) - 1 is prime. A112861