Properties of the Number -9689

Six Hundred Eighty-Nine

Basics

Value: -9690 → -9689 → -9688

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 32

Digital Root: 5

Palindrome: No

Factorization: 9689

Divisors: 1, 9689

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10010111011001

Octal: -22731

Duodecimal: -5735

Hexadecimal: -25d9

Square: 93876721

Square Root: 98.43271813782245

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) = (-n³ + 9n² - 5n + 3)/3. A161702

Mersenne exponents: primes p such that 2^p - 1 is prime. Then 2^p - 1 is called a Mersenne prime. A43

Array read by antidiagonals: T(m,n) is the number of m X n binary arrays with all 1's connected and a path of 1's from top row to bottom row. A359574

Sum of digits = 8 times number of digits. A61425

Primes having only {6, 8, 9} as digits. A385800

Degrees of primitive irreducible trinomials: n such that 2ⁿ - 1 is a Mersenne prime and xⁿ + x^k + 1 is a primitive irreducible polynomial over GF(2) for some k with 0 < k < n. A1153

Canyon primes. A134971

Father primes of order 8. A136077

Father primes of order 9. A136078

Primes whose digits are composite; primes having only {4, 6, 8, 9} as digits. A51416