Properties of the Number -86689

Eighty-Six Thousand Six Hundred Eighty-Nine

Basics

Value: -86690 → -86689 → -86688

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 37

Digital Root: 1

Palindrome: No

Factorization: 86689

Divisors: 1, 86689

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10101001010100001

Octal: -251241

Duodecimal: -42201

Hexadecimal: -152a1

Square: 7514982721

Square Root: 294.4299577149037

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

Primes having only {0, 6, 8, 9} as digits. A53580

Numbers k such that 7^k - 6^k is prime. A62573

a(n) = n³ + 4·n² - 5·n + 1. A241577

Primes that remain prime through 4 iterations of function f(x) = 7x + 6. A23318

Larger of 3 consecutive prime numbers such that p1·p2·p3·d1·d2=average of twin prime pairs; p1,p2,p3 consecutive prime numbers; d1(δ)=p2-p1, d2(δ)=p3-p2. A153411

Primes of the form x² + 18480·y². A173274

Primes p such that the sum and difference of the fourth power of the sum of 4 consecutive primes starting with p and the product of those primes are both prime. A389333

Number of partitions of n into parts but with two kinds of parts of sizes 1 to 9. A103928

Number of ways to tile a hexagonal strip made up of n equilateral triangles, using diamonds and trapezoids. A374391