Properties of the Number 87664

Eighty-Seven Thousand Six Hundred Sixty-Four

Basics

Value: 87663 → 87664 → 87665

Parity: even

Prime: No

Previous Prime: 87649

Next Prime: 87671

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 ⁴ × 5479

Divisors: 1, 2, 4, 8, 16, 5479, 10958, 21916, 43832, 87664

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101011001110000

Octal: 253160

Duodecimal: 42894

Hexadecimal: 15670

Square: 7684976896

Square Root: 296.08106997915286

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

10th-power analog of Keith numbers. A281921

Numbers k such that k and k² use only the digits 4, 6, 7, 8 and 9. A137145

Consider recurrence b(0) = n/4, b(k) = b(k-1)*floor(b(k-1)); sequence gives number of steps to reach an integer, or -1 if no integer is ever reached. A87664

Number of tilings of a 5 X n rectangle using straight (3 X 1) trominoes and 2 X 2 tiles. A219969