Properties of the Number 47405

Forty-Seven Thousand Four Hundred Five

Basics

Value: 47404 → 47405 → 47406

Parity: odd

Prime: No

Previous Prime: 47389

Next Prime: 47407

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 5 × 19 × 499

Divisors: 1, 5, 19, 95, 499, 2495, 9481, 47405

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011100100101101

Octal: 134455

Duodecimal: 23525

Hexadecimal: b92d

Square: 2247234025

Square Root: 217.72689314827417

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

Number of cyclic compositions (necklaces of positive integers) summing to n with adjacent parts (including the last and first part) being indivisible (either way). A318730

Number of ways to group the first 2·n positive integers into n pairs (ξ, yi) with ξ < yi, and such that the n numbers (yi mod ξ) are all different. A320168

Number of n X 2 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 2,0,1,1,1 for x=0,1,2,3,4. A197274

Square array T(n,k), n >= 1, k >= 1, read by antidiagonals, where T(n,k) is the number of spanning trees of odd Aztec rectangle of order (n, k). A340425

Numbers in which 0,1,2,3,4,5 all occur in base 6. A31947

Numbers that are congruent to {0, 1, 2, 3, 6} mod 8. A47405