Properties of the Number 8071

Eight Thousand Seventy-One

Basics

Value: 8070 → 8071 → 8072

Parity: odd

Prime: No

Previous Prime: 8069

Next Prime: 8081

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 7 × 1153

Divisors: 1, 7, 1153, 8071

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1111110000111

Octal: 17607

Duodecimal: 4807

Hexadecimal: 1f87

Square: 65141041

Square Root: 89.83874442577657

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

Coordination sequence for 3D uniform tiling formed by stacking parallel layers of the 3⁴.6 2D tiling (cf. A250120). A299254

Number of connected graphs with n edges. A2905

Triangle read by rows: T(n,k) = number of graphs with n edges and k connected components. A275421

a(1) = 9; a(n) is smallest number >= a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A46259

Square array T(n,k), n >= 0, k >= 0, read by antidiagonals, where T(n,k) is ∑_i=0..n (-1)^n-i*binomial(n,i)*∑_j=0..i binomial(i,j)^k. A328747

Triangle T(n,k) read by rows; related to number of preorders. A79502

Odd numbers which are factored to the same set of primes in Z as to the irreducible polynomials in GF(2)[X]; odd terms of A235036. A235039

Constant term in the expansion of (-1 + (1 + w) * (1 + x) * (1 + y) * (1 + z) + (1 + 1/w) * (1 + 1/x) * (1 + 1/y) * (1 + 1/z))ⁿ. A328750

Constant term in the expansion of (-1 + ∏_k=1..n (1 + x_k) + ∏_k=1..n (1 + 1/x_k))ⁿ. A328813

Numbers k such that 64·3^k - 1 is prime. A387760