Properties of the Number -8663

Six Hundred Sixty-Three

Basics

Value: -8664 → -8663 → -8662

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 8663

Divisors: 1, 8663

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10000111010111

Octal: -20727

Duodecimal: -501B

Hexadecimal: -21d7

Square: 75047569

Square Root: 93.07523838271918

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

Primes such that the sum of the predecessor and successor primes is divisible by 37. A113156

a(n) = 6·n² - 1. A140811

Primes of the form 6n² - 1. A90686

a(1) = 8; a(n) is smallest number >= a(n-1) such that the juxtaposition a(1)a(2)...a(n) is a prime. A46258

Primes with either no internal digits or all internal digits are 6. A69681

Primes having only {3, 6, 8} as digits. A385791

Primes p with property that there exists a number d>0 such that numbers p-k·d, k=1...6, are six primes. A216468

Prime numbers using only the curved digits 0, 3, 6, 8 and 9. A79652

Natural numbers n that have the property that starting from k = n, the fixed point of the map k -> floor(tan(k)) is strictly positive, while the smallest number encountered during the iteration is strictly negative. A258202

Greater of a,b where n² = a³ + b³; a,b>0 and gcd(a,b)=1. The lesser of a,b is the corresponding term in A099532 and n, which is used to order this sequence, is the corresponding term in A099426. A99533