Properties of the Number -8207

Two Hundred Seven

Basics

Value: -8208 → -8207 → -8206

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 29 × 283

Divisors: 1, 29, 283, 8207

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10000000001111

Octal: -20017

Duodecimal: -48BB

Hexadecimal: -200f

Square: 67354849

Square Root: 90.59249417032296

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) = -(1/2)*(n+2)*(n² - 6·n - 1). A28494

Numbers k such that binomial(2k,k)+1 is prime. A66699

a(n) = smallest number that leads to a new fixed point under the base-2 Kaprekar map of A164884. A164887

Triangle read by rows: T(n,k) (n>=0, 0<=k<=n) = number of partitions of n with exactly k kinds of 1's which are introduced in ascending order. A292746

a(1) = 9; a(n) is smallest number > a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A74345

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with no 2X2 subblock having the sum of its diagonal elements greater than the maximum of its antidiagonal elements. A251028

a(n) = 1 + 2^n-1 + n for n > 0, a(0) = 2. A52968

Number of ON cells at n-th stage of three-dimensional version of the cellular automaton A160117 using cubes. A160379

Numbers 1 through 10000 sorted lexicographically in binary representation. A190126

Numbers k such that A163511(k) is a fifth power. A365802