Properties of the Number 12587

Twelve Thousand Five Hundred Eighty-Seven

Basics

Value: 12586 → 12587 → 12588

Parity: odd

Prime: No

Previous Prime: 12583

Next Prime: 12589

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 41 × 307

Divisors: 1, 41, 307, 12587

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 11000100101011

Octal: 30453

Duodecimal: 734B

Hexadecimal: 312b

Square: 158432569

Square Root: 112.1918000568669

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

Number of isomorphism classes of 4-regular multigraphs of order n, loops allowed. A129429

Square array T(n,k), read by upward antidiagonals, counting isomorphism classes of k-regular multigraphs of order n, loops allowed. A167625

a(n) = n*(15·n - 1)/2. A22272

Number of partitions of n into 6 or more distinct parts. A347573

The sums of pairs of adjacent terms are the odd palindromic primes in ascending order. A181881

Mark each point on the n X n X n X n grid with the number of points that are visible from it; a(n) is the number of distinct values in the grid. A339947

Expansion of A(x) satisfying [xⁿ] A(x)ⁿ / (1 + x·A(x)ⁿ)ⁿ = 0 for n > 0. A360581

Starting with Fibonacci(0), the sum of a(n) successive Fibonacci numbers is prime. A214874

Number of length n+7+1 0..7 arrays with every value 0..7 appearing at least once in every consecutive 7+2 elements, and new values 0..7 introduced in order. A242238

Numbers n such that (6k-1) for k=n, n+1, n+2, n+3 are all primes with no primes of the form (6k+1) in between. A296011