Properties of the Number 9178

Nine Thousand One Hundred Seventy-Eight

Basics

Value: 9177 → 9178 → 9179

Parity: even

Prime: No

Previous Prime: 9173

Next Prime: 9181

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 × 13 × 353

Divisors: 1, 2, 13, 26, 353, 706, 4589, 9178

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10001111011010

Octal: 21732

Duodecimal: 538A

Hexadecimal: 23da

Square: 84235684

Square Root: 95.80187889597991

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

Cake numbers: maximal number of pieces resulting from n planar cuts through a cube (or cake): C(n+1,3) + n + 1. A125

Tribonacci-like sequence; a(0)=2, a(1)=1, a(2)=1, a(n) = a(n-1) + a(n-2) + a(n-3). A141036

T(n,k)=Number of (n+2)X(k+2) 0..1 arrays with the (lower) medians of each row unequal to its neighbors and each column equal to its neighbors. A238026

a(n) = n*(14·n - 11). A195021

T(n,k)=Number of (n+2)X(k+2) 0..3 arrays with every 3X3 subblock row and column sum equal to 2 3 4 6 or 7 and every 3X3 diagonal and antidiagonal sum not equal to 2 3 4 6 or 7. A252167

Maximal length of rook tour on an n X n board. A6071

Maximal length of rook tour on an n X n+2 board. A152133

a(n) = 3·n*(3·n + 7)/2 + 4. A283394

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

a(n) = (n-2)*(14·n-39) for n > 2, otherwise a(n) = n. A195030