Properties of the Number 16918

Sixteen Thousand Nine Hundred Eighteen

Basics

Value: 16917 → 16918 → 16919

Parity: even

Prime: No

Previous Prime: 16903

Next Prime: 16921

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 11 × 769

Divisors: 1, 2, 11, 22, 769, 1538, 8459, 16918

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 100001000010110

Octal: 41026

Duodecimal: 995A

Hexadecimal: 4216

Square: 286218724

Square Root: 130.0692123448128

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

Rectangular table, read by antidiagonals, such that the g.f. of row n, R_n(y), satisfies: R_n(y) = ∑_k>=0 y^k * [R_n·k(y)]^n·k for n>=0, with R₀(y)=1/(1-y). A124560

T(n,k)=Number of nXk 0..3 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 4 and at least one element with value (x(i,j)-1) mod 4, no adjacent elements equal, and upper left element zero. A230899

Row 3 of table A124560; also, the self-convolution cube equals A124553, which is row 3 of table A124550. A124563

Least positive integer multiples of angle·such that their direction cosines form a unit vector: ∑_k>0 cos(a(k)*x)² = 1, where a(1)=1, a(n+1)>a(n) and x=3-π/2. A80139

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

Sequence shifts left when Weigh transform is applied ten times with a(n) = n for n<2. A316110

Powers of fourth root of 20 rounded to nearest integer. A18103

Powers of fourth root of 20 rounded up. A18104

Number of partitions of n such that the number of parts and the largest part and the smallest part are pairwise coprime. A201218

Number of n-node unlabeled rooted trees with thinning limbs and root outdegree (branching factor) 3. A244704