Properties of the Number 29440

Twenty-Nine Thousand Four Hundred Forty

Basics

Value: 29439 → 29440 → 29441

Parity: even

Prime: No

Previous Prime: 29437

Next Prime: 29443

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ⁸ × 5 × 23

Divisors: 1, 2, 4, 5, 8, 10, 16, 20, 23, 32

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 111001100000000

Octal: 71400

Duodecimal: 15054

Hexadecimal: 7300

Square: 866713600

Square Root: 171.58088471621772

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

Dowling numbers: e.g.f.: exp(x + (exp(b·x) - 1)/b) with b=4. A3576

Numbers which can be expressed as the product of a number and its reversal in at least two different ways. A66531

Numbers of the form p⁸*q·r where p, q, and r are distinct primes. A179747

a(n) = 4·a(n-1) - 6·a(n-2), with a(0)=0, a(1)=1. A190965

Decimal representation of the x-axis, from the origin to the right edge, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 205", based on the 5-celled von Neumann neighborhood. A279825

Decimal representation of the diagonal from the origin to the corner of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 397", based on the 5-celled von Neumann neighborhood. A288011

Practical numbers with a record gap to the next practical number. A330870

Glaisher's function G(n) (18 squares version). A2609

a(n) = ∑_k=1..n k·floor(n/k)³. A350108

a(n) = (n!)³ * ∑_k=0..n (k/k!)³. A368772