Properties of the Number 87172

Eighty-Seven Thousand One Hundred Seventy-Two

Basics

Value: 87171 → 87172 → 87173

Parity: even

Prime: No

Previous Prime: 87151

Next Prime: 87179

Digit Sum: 25

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 19 × 31 × 37

Divisors: 1, 2, 4, 19, 31, 37, 38, 62, 74, 76

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10101010010000100

Octal: 252204

Duodecimal: 42544

Hexadecimal: 15484

Square: 7598957584

Square Root: 295.24904741590615

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) = n*(n+1)*(5·n+1)/3. A174814

Greatest Fibonacci number that does not exceed n. A87172