Properties of the Number 87321

Eighty-Seven Thousand Three Hundred Twenty-One

Basics

Value: 87320 → 87321 → 87322

Parity: odd

Prime: No

Previous Prime: 87317

Next Prime: 87323

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 3 × 13 × 2239

Divisors: 1, 3, 13, 39, 2239, 6717, 29107, 87321

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010100011001

Octal: 252431

Duodecimal: 42649

Hexadecimal: 15519

Square: 7624957041

Square Root: 295.50126903280807

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

a(n) = (10·n³ - 9·n² + 2·n)/3 + 1. A34721

Numbers k with property that 19·k + {2,4,8,10} are two pairs of consecutive twin primes. A152926

a(n) = (2^p - p² - 1)/6 where p = prime(n). A166743

Smallest multiple of n which is a perfect power (at least a square) of a squarefree number. A87321