Properties of the Number 17278

Seventeen Thousand Two Hundred Seventy-Eight

Basics

Value: 17277 → 17278 → 17279

Parity: even

Prime: No

Previous Prime: 17257

Next Prime: 17291

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 53 × 163

Divisors: 1, 2, 53, 106, 163, 326, 8639, 17278

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 100001101111110

Octal: 41576

Duodecimal: 9BBA

Hexadecimal: 437e

Square: 298529284

Square Root: 131.44580632336658

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)=Number of nXk 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 1,3,2,0,4 for x=0,1,2,3,4. A196636

a(1) = 0, a(2) = -2; for n > 2, a(n) + a(n-2) - a(n-3) - a(n-5) - ... - a(n-p) = (-1)ⁿ⁺¹*n if n is prime, otherwise = 0, where p = largest prime < n. A2120

Number of regions in a polygon whose boundary consists of n+2 equally spaced points around a semicircle and three equally spaced points along the diameter (a total of n+3 points). See Comments for precise definition. A333642

Number of nX5 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 1,3,2,0,4 for x=0,1,2,3,4. A196633

Row sums of triangle in A139040. A238383

Number of n X n 0..4 arrays with each element·equal to the number of its horizontal and vertical neighbors equal to 1,3,2,0,4 for x=0,1,2,3,4. A196629

a(n) = (10·n)¹⁰. A17278