Properties of the Number 87663

Eighty-Seven Thousand Six Hundred Sixty-Three

Basics

Value: 87662 → 87663 → 87664

Parity: odd

Prime: No

Previous Prime: 87649

Next Prime: 87671

Digit Sum: 30

Digital Root: 3

Palindrome: No

Factorization: 3 × 29221

Divisors: 1, 3, 29221, 87663

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101011001101111

Octal: 253157

Duodecimal: 42893

Hexadecimal: 1566f

Square: 7684801569

Square Root: 296.07938124766474

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

Largest members of k-sociable cycles of order r. A183013

Magic sums of 3 X 3 magic squares composed of primes in an arithmetic progression. A269324

Numbers k such that 347·2^k+1 is prime. A322971

Number of ways to place zero or more nonadjacent 0,0 1,0 2,1 3,2 4,3 5,4 6,5 7,5 polyhexes in any orientation on a planar nXnXn triangular grid. A155430

a(n) is the smallest semiprime such that difference between a(n) and next semiprime, b(n), is n. A131109

Number of ways to place 7 nonattacking kings on an n X n board. A194788

Indices of records in A087666. A87663

Number of 6Xn 0..1 arrays with every 1 horizontally, diagonally or antidiagonally adjacent to 1 neighboring 1. A297399

Middle of three consecutive semiprimes with common prime factor = 3. A131409