Properties of the Number -12586

Twelve Thousand Five Hundred Eighty-Six

Basics

Value: -12587 → -12586 → -12585

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 2 × 7 × 29 × 31

Divisors: 1, 2, 7, 14, 29, 31, 58, 62, 203, 217

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

5184 Try Today's Challenge

Representations

Binary: -11000100101010

Octal: -30452

Duodecimal: -734A

Hexadecimal: -312a

Square: 158407396

Square Root: 112.18734331465382

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

G.f. A(x,y) satisfies: A(x,y) = x * (1 + y·A(x,y)*A'(x,y)) / (1 + A(x,y)*A'(x,y)), where A'(x,y) = d/dx A(x,y). A301930

Number of binary words of length n with all distinct run-lengths. A351017

Bernoulli number B_n has denominator 354. A255684

Numbers k such that k² contains exactly 9 different digits. A54037

G.f. satisfies: A(x) = (1 + x·A(x)³)². A212071

a(n) = n*(n - 1)*(n + 2)/2. A77414

29-gonal numbers: a(n) = n*(27·n-25)/2. A255187

Two-column table read by rows: Primitive distinct pairs that have the same value of φ, σ, and τ. A322688

Numbers k such that 6·k+5, 6·k+11, 6·k+17, 6·k+23 are consecutive primes. A90836

Numbers n such that 6n+5, 6n+11, 6n+17, 6n+23 are consecutive primes or 6n+1, 6n+7, 6n+13, 6n+19 are consecutive primes. A90833