Properties of the Number 91147

Ninety-One Thousand One Hundred Forty-Seven

Basics

Value: 91146 → 91147 → 91148

Parity: odd

Prime: No

Previous Prime: 91141

Next Prime: 91151

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 7 × 29 × 449

Divisors: 1, 7, 29, 203, 449, 3143, 13021, 91147

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110010000001011

Octal: 262013

Duodecimal: 448B7

Hexadecimal: 1640b

Square: 8307775609

Square Root: 301.9056143896632

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

Sum of square displacements over all self-avoiding n-step walks on a square lattice with the first step specified. Numerator of mean square displacement s(n)=a(n)/A046661(n). A78797

a(n) = 1 for n <= 6; a(n) = 49·a(n-1) - 882·a(n-2) + 8820·a(n-3) - 52920·a(n-4) + 190512·a(n-5) - 381024·a(n-6) + 326592·a(n-7) otherwise. A255985

Number of non-equivalent ways to tile an n X n X n triangular area with three 2 X 2 X 2 triangular tiles and an appropriate number (= n²-12) of 1 X 1 X 1 tiles. A286445

G.f. A(x) satisfies: 1/A(x)⁸ + 64·x*A(x)⁸ = 1/A(x²)⁴ + 8·x*A(x²)⁴. A228928

The convergent sequence B_n for the ternary continued fraction (3,1;2,2) of period 2. A963

Expansion of (1-x-sqrt(1-2·x-15·x²))/(8·x²). A91147