Properties of the Number 17289

Seventeen Thousand Two Hundred Eighty-Nine

Basics

Value: 17288 → 17289 → 17290

Parity: odd

Prime: No

Previous Prime: 17257

Next Prime: 17291

Digit Sum: 27

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 17 × 113

Divisors: 1, 3, 9, 17, 51, 113, 153, 339, 1017, 1921

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 100001110001001

Octal: 41611

Duodecimal: A009

Hexadecimal: 4389

Square: 298909521

Square Root: 131.48764200486676

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

a(n) is the decimal concatenation of n and n². A53061

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements. A203835

Number of free polyaboloes (or polytans) with n cells, where the orientation of two triangles sharing a hypotenuse (making up a square) matters. A390993

Numbers k such that 10⁹⁹⁹ + k is a (titanic) prime. A74282

Consider the triangle in which the j-th row begins with prime(j) and is the arithmetic progression with least common difference such that the remaining j-1 terms are composite and not divisible by prime(j). Sequence gives last term in each row. A95182

a(n) = n*(n+1)*(7·n-6)/2. A256718

The icosagen sequence : a(n) = A018227(n)-5, for n >= 2. A271997

Triangle read by rows: T(n,k) is the number of free polyforms consisting of k unit square cells and n-k isosceles right triangular cells whose short sides have unit length. Cells are joined along sides of equal lengths. A391193

a(n) is the smallest positive number such that a(n)*n is an anagram of a(n)*9. A175698

Ascending sequence of numbers such that the sum of any two distinct elements (even + odd) is a prime number. A180743