Properties of the Number 8917

Eight Thousand Nine Hundred Seventeen

Basics

Value: 8916 → 8917 → 8918

Parity: odd

Prime: No

Previous Prime: 8893

Next Prime: 8923

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 37 × 241

Divisors: 1, 37, 241, 8917

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10001011010101

Octal: 21325

Duodecimal: 51B1

Hexadecimal: 22d5

Square: 79512889

Square Root: 94.42986815621421

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

Numbers k such that 9·k! + 1 is prime. A180626

T(n,k)=Number of nXk 0..1 arrays with every repeated value in every row and column unequal to the previous repeated value, and new values introduced in row-major sequential order. A267644

Number of intersection points formed by drawing the line segments connecting any two lattice points of an n X m convex lattice polygon written as triangle T(n,m), n >= 1, 1 <= m <= n. A288180

a(n) = 2*(-i)ⁿ*(n·sin(c*(n+1)) - i·sin(-c·n))/sqrt(5) where c = arccos(i/2). A354044

a(n) = floor((n+1/n)⁵). A197604

a(n) = n*(13·n + 1)/2. A22271

Composite numbers such that exactly ten distinct permutations of digits are prime. A163562

Number of integer partitions of n that are all 1's or whose run-lengths cover an initial interval of positive integers. A332576

Fibonacci sequence beginning 1, 14. A22104

Minimum positive numerator of s₁/1 + ... + s_n/n in lowest terms, where each s_i equals 1 or -1. A61195