Properties of the Number 9315

Nine Thousand Three Hundred Fifteen

Basics

Value: 9314 → 9315 → 9316

Parity: odd

Prime: No

Previous Prime: 9311

Next Prime: 9319

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ⁴ × 5 × 23

Divisors: 1, 3, 5, 9, 15, 23, 27, 45, 69, 81

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10010001100011

Octal: 22143

Duodecimal: 5483

Hexadecimal: 2463

Square: 86769225

Square Root: 96.51424765287247

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) = 3·a(n-1) + 3·a(n-2), a(0)=0, a(1)=1. A30195

9 times the triangular numbers A000217. A27468

Integers that are Rhonda numbers to base 12. A100971

T(n,k) is the number of (n+1) X (k+1) 0..1 arrays x(i,j) with row sums sum{j·x(i,j), j=1..k+1} nondecreasing, and column sums sum{i²*x(i,j), i=1..n+1} nondecreasing. A233366

Number of polyiamonds with n cells that tile the plane isohedrally but not by translation or by 180-degree rotation (Conway criterion). A75222

Values of n such that there are exactly 10 solutions to x² - y² = n with x > y >= 0. A257417

Number of totally ramified extensions over Q₅ with degree n in the algebraic closure of Q₅. A100981

a(n) = (2·n+1) * (4·n-1). A33566

Numbers that are the sum of four positive cubes in five or more ways. A343987

a(n) = ∑_{1 <= x₁, x₂, x₃ <= n} n/gcd(x₁, x₂, x₃, n). A372952