Properties of the Number 16884

Sixteen Thousand Eight Hundred Eighty-Four

Basics

Value: 16883 → 16884 → 16885

Parity: even

Prime: No

Previous Prime: 16883

Next Prime: 16889

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 7 × 67

Divisors: 1, 2, 3, 4, 6, 7, 9, 12, 14, 18

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100000111110100

Octal: 40764

Duodecimal: 9930

Hexadecimal: 41f4

Square: 285069456

Square Root: 129.9384469662463

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

Triangle read by rows: coefficients of 1; 1(X+2); 1(X+2)(X+3); 1(X+2)(X+3)(X+4); .... A145324

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every element next to itself plus and minus one within the range 0..2 horizontally or vertically, with no adjacent elements equal. A232406

Irregular triangle read by rows: T(n,k) (n >= 1, 2 <= k <= 2·n) = number of interior vertices in the n-th figure shown in A255011 (meaning the figure with 4n points on the perimeter) where k lines meet. A334691

Triangle read by rows: T(n,k) is the number of noncrossing path sets on n nodes with k paths and isolated vertices allowed, 0 <= k <= n. A390909

Nonnegative k such that 3·k + 1 is a perfect cube. A121628

a(n) = floor(n³/3). A131476

Generalized Stirling numbers, [n+3,n]_2. A1702

a(n) = concatenation of (n times each digit of n). A111704

Number of (w,x,y) with all terms in {0,...,n} and 2·w < |x+y-w|. A213396

a(n) = ∑_{k=0..floor(n/3)} binomial(k+2,2) * binomial(k,n-3·k)². A377147