Properties of the Number 29421

Twenty-Nine Thousand Four Hundred Twenty-One

Basics

Value: 29420 → 29421 → 29422

Parity: odd

Prime: No

Previous Prime: 29411

Next Prime: 29423

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 3 ² × 7 × 467

Divisors: 1, 3, 7, 9, 21, 63, 467, 1401, 3269, 4203

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111001011101101

Octal: 71355

Duodecimal: 15039

Hexadecimal: 72ed

Square: 865595241

Square Root: 171.52550830707366

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

Expansion of (1-4x)/(1-8x+11x²). A108404

a(n) is the number of 5 element sets of distinct integer-sided trapezoids whose base angles are 60 degrees that fill an equilateral triangular grid of side n units formed by directly binary space partitioning 3-trapezoid sets without forming 4-trapezoid sets. A391203

Triangle read by rows: T(n,k) = 4·T(n-1,k-1) + T(n,k-1) with T(2·m,0) = 0 and T(2·m+1,0) = 5^m. A292466

Number of n-node rooted trees in which seven equals the maximal number of nodes in paths starting at a leaf and ending at the first branching node or at the root. A318903

Records in the continued fraction expansion of log(10). A228346

Number of (7+1) X (n+1) 0..1 arrays with nondecreasing x(i,j)-x(i,j-1) in the i direction and nondecreasing min(x(i,j),x(i-1,j)) in the j direction. A250661

Triangle of coefficients of the permanent polynomial of rectangular Dancing School matrices. A392509

Solution to the Dancing School Problem with 9 girls and n+9 boys: f(9,n). A79914

Expansion of 1/((1-x⁶)(1-x⁷)(1-x¹⁰)(1-x¹²)). A29421