Properties of the Number -86587

Eighty-Six Thousand Five Hundred Eighty-Seven

Basics

Value: -86588 → -86587 → -86586

Parity: odd

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 34

Digital Root: 7

Palindrome: No

Factorization: 86587

Divisors: 1, 86587

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -10101001000111011

Octal: -251073

Duodecimal: -42137

Hexadecimal: -1523b

Square: 7497308569

Square Root: 294.25669066310115

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

Lexicographically largest increasing sequence of primes for which the continued square root map (see A257574) produces π. A257582

Primes p such that p,q,r,s are consecutive primes and 2p+9, 2q+9, 2r+9, 2s+9 are also primes. A190354

Primes p such that 6p - 1 and 6p + 1 are twin primes and ((6p-1)² + (6p+1)²) / 10 is prime. A283957

Primes p such that q1=6·p-1 and q2=6·p+1 are also primes (twin primes) and q1 is a Sophie Germain prime (i.e., 2·q1+1 is prime). A358381

Number of subsets of { 1, ..., n } containing an A.P. of length 10. A18795