Properties of the Number 61404

Sixty-One Thousand Four Hundred Four

Basics

Value: 61403 → 61404 → 61405

Parity: even

Prime: No

Previous Prime: 61403

Next Prime: 61409

Digit Sum: 15

Digital Root: 6

Palindrome: No

Factorization: 2 ² × 3 × 7 × 17 × 43

Divisors: 1, 2, 3, 4, 6, 7, 12, 14, 17, 21

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1110111111011100

Octal: 167734

Duodecimal: 2B650

Hexadecimal: efdc

Square: 3770451216

Square Root: 247.79830507894923

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

Numbers n such that σ(n) = 11*φ(n) (where σ=A000203, φ=A000010). A171257

Expansion of g.f. A(x) satisfying 4/x = ∑_n=-oo..+oo x^n*(3·n+1/2) * (A(x)^3·n - 1/A(x)^3·n+1). A361052

Seventh column of (1,5)-Pascal triangle A096940. A96944

Number of right triangles on a (n+1)X6 grid. A189810

a(n) = 6·n*(9·n-5). A277984

Denominators in the series for Bessel function J5(x). A61404