Properties of the Number 87215

Eighty-Seven Thousand Two Hundred Fifteen

Basics

Value: 87214 → 87215 → 87216

Parity: odd

Prime: No

Previous Prime: 87211

Next Prime: 87221

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 5 × 17443

Divisors: 1, 5, 17443, 87215

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10101010010101111

Octal: 252257

Duodecimal: 4257B

Hexadecimal: 154af

Square: 7606456225

Square Root: 295.32185831732806

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

Lucas(6·n): a(n) = 18·a(n-1) - a(n-2), starting with a(0) = 2 and a(1) = 18. A87215

Number of (n+1)X7 binary arrays with every 2X2 subblock singular. A184683