Properties of the Number 16722

Sixteen Thousand Seven Hundred Twenty-Two

Basics

Value: 16721 → 16722 → 16723

Parity: even

Prime: No

Previous Prime: 16703

Next Prime: 16729

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ² × 929

Divisors: 1, 2, 3, 6, 9, 18, 929, 1858, 2787, 5574

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100000101010010

Octal: 40522

Duodecimal: 9816

Hexadecimal: 4152

Square: 279625284

Square Root: 129.31357237351384

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

Coordination sequence for (2,3,8) tiling of hyperbolic plane. A265058

T(n,k)=Number of (n+2)X(k+2) binary arrays avoiding patterns 001 and 010 in rows, columns and nw-to-se diagonals. A202898

Coordination sequence for 9-dimensional cubic lattice. A8418

Number of points of L1 norm 5 in cubic lattice Zⁿ. A35599

Riordan array (1/(1+2·x), x*(1+x)/(1+2·x)²). A123876

T(n,k) is the coordination number of the (n+1)-dimensional cubic lattice for radius k; triangle read by rows, n>=0, 0<=k<=n. A343599

Triangle read by rows: T(n,k) (0 <= k <= n) is the number of Delannoy paths of length n that start with exactly k (0,1) steps (or, equivalently, with exactly k (1,0) steps). A110171

McKay-Thompson series of class 24g for the Monster group. A112164

Riordan array (1/(1-2x), x(1-x)/(1-2x)²). A114164

Triangle read by rows: T(n,k) is the coefficient A_k in the transformation ∑_k=0..n (k+1)*x^k = ∑_k=0..n A_k*(x+2)^k. A246788