Properties of the Number 16919

Sixteen Thousand Nine Hundred Nineteen

Basics

Value: 16918 → 16919 → 16920

Parity: odd

Prime: No

Previous Prime: 16903

Next Prime: 16921

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 7 × 2417

Divisors: 1, 7, 2417, 16919

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 100001000010111

Octal: 41027

Duodecimal: 995B

Hexadecimal: 4217

Square: 286252561

Square Root: 130.07305639524276

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

T(n,k) is the number of n X k 0..6 arrays with every row and column running average nondecreasing rightwards and downwards. A200974

Number of permutations satisfying -k <= p(i)-i <= r and p(i)-i not in I, i=1..n, with k=1, r=4, I={1,2}. A79972

Numbers k such that A055079(k) = 2^k. A57838

a(n) = 11 + floor(∑_j-1..n-1 a(j)/4). A120168

Diagonal sums of number triangle A184883. A184884

G.f. A(x) equals an infinite symmetric composition of functions x/(1-xⁿ), n=1,2,3,... A163134

Number of 0..6 arrays x(0..n-1) of n elements with nondecreasing average value. A200762

Antidiagonal sums of square array A124389. A124390

Numbers k such that either k or k+1 is divisible by the numbers from 1 to 10. A131663

Number of 0..n arrays x(0..6) of 7 elements with nondecreasing average value. A200767