Properties of the Number -6850

Eight Hundred Fifty

Basics

Value: -6851 → -6850 → -6849

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 × 5 ² × 137

Divisors: 1, 2, 5, 10, 25, 50, 137, 274, 685, 1370

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -1101011000010

Octal: -15302

Duodecimal: -3B6A

Hexadecimal: -1ac2

Square: 46922500

Square Root: 82.76472678623425

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 (1-x)/(1+x-2·x²+2·x³). A78040

G.f. A(x) satisfies: A(x) = 1 - ∑_k=1..5 (x·A(x))^k. A337514

Number of length n inversion sequences avoiding the patterns 000 and 100. A279564

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with values 0..2 introduced in row major order. A231302

G.f.: 1 + ∑_n>=1 a(n)*xⁿ/(1 - xⁿ) = ∏_n>=1 1/(1 - xⁿ)ⁿ. A300275

Numbers that are the sum of five fourth powers in three or more ways. A344243

Numbers that are the sum of five fourth powers in exactly three ways. A344244

a(n) is the first number in the first run of at least n successive numbers, all having exactly 3 distinct prime factors. A80569

Maximal number of 1432 patterns in a permutation of 1,2,...,n. A100354

4-untouchable numbers. A284156