Properties of the Number -8106

One Hundred Six

Basics

Value: -8107 → -8106 → -8105

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 × 3 × 7 × 193

Divisors: 1, 2, 3, 6, 7, 14, 21, 42, 193, 386

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1111110101010

Octal: -17652

Duodecimal: -4836

Hexadecimal: -1faa

Square: 65707236

Square Root: 90.033327162779

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

Expansion of (∏_j>=1 (1-(-x)^j) - 1)⁹ in powers of x. A1487

A binomial sum of powers related to the Bernoulli numbers, triangular array, read by rows. A162508

Coordination sequence for "flu" 3D uniform tiling formed from tetrahedra, rhombicuboctahedra, and cubes. A299272

Numbers n such that Bernoulli number B_n has denominator 1806. A272139

d(n,s) = number of perfect matchings on {1, 2, ..., n} with s short pairs. A79267

a(1) = 1; a(n) = max{ 5·a(k) + a(n-k) | 1 <= k <= n/2 } for n > 1. A130667

Solutions to the congruence 1ⁿ + 2ⁿ + ... + nⁿ == 193 (mod n). A302344

Least nontrivial multiple of the n-th prime beginning with 8. A78292

The maximum possible value for the apex of a triangle of numbers whose base consists of a permutation of the numbers 0 to n, and each number in a higher row is the sum of the two numbers directly below it. A189390

Ordered forests of k increasing unordered trees on the vertex set {1,2,...,n} in which all outdegrees are <= 2. A185421