Properties of the Number 31604

Thirty-One Thousand Six Hundred Four

Basics

Value: 31603 → 31604 → 31605

Parity: even

Prime: No

Previous Prime: 31601

Next Prime: 31607

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 7901

Divisors: 1, 2, 4, 7901, 15802, 31604

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 111101101110100

Octal: 75564

Duodecimal: 16358

Hexadecimal: 7b74

Square: 998812816

Square Root: 177.7751388693031

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

G.f.: (1 + x⁴ + x⁷ + 2·x⁸ + x⁹ + x¹² + x¹⁶)/∏_i=1..8 (1 - xⁱ). A3405

G.f.: ∑_k>=0 x^k⁴ / ∏_j=1..k⁴ (1 - x^j). A339235

Numbers k such that the continued fraction for sqrt(k) has odd period and if the last term of the periodic part is deleted the two central terms are both 16. A31604