Properties of the Number 16868

Sixteen Thousand Eight Hundred Sixty-Eight

Basics

Value: 16867 → 16868 → 16869

Parity: even

Prime: No

Previous Prime: 16843

Next Prime: 16871

Digit Sum: 29

Digital Root: 2

Palindrome: No

Factorization: 2 ² × 4217

Divisors: 1, 2, 4, 4217, 8434, 16868

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100000111100100

Octal: 40744

Duodecimal: 9918

Hexadecimal: 41e4

Square: 284529424

Square Root: 129.87686476043376

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

Number of ways to write n as an ordered sum of 6 primes (counting 1 as a prime). A341985

Number of almost base-2 palindromic primes (A095743) in range ]2ⁿ,2ⁿ⁺¹]. A95753

Maximal number of right triangles in n turns of Pythagoras's snail. A137515

Array T(m,n) read by antidiagonals: number of m X n rectangular patterns of precisely half black squares and half white squares that are ambiguously tilable with black and white colored dominoes, for m >= 1, n >= 1. A295216

Start of record gaps between sums of two squares. A297350

Expansion of cos(log(1+x)*cosh(x)). A9029

Fibonacci sequence beginning 5, 14. A22139

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 449", based on the 5-celled von Neumann neighborhood. A272254

a(1) = 2, a(n) = a(n-1) + 3*(a(n-1)-floor(a(n-1)^1/3)³). A96295

Number of nX4 0..1 arrays with every element equal to 1, 2, 4 or 5 king-move adjacent elements, with upper left element zero. A297955