Properties of the Number 29866

Twenty-Nine Thousand Eight Hundred Sixty-Six

Basics

Value: 29865 → 29866 → 29867

Parity: even

Prime: No

Previous Prime: 29863

Next Prime: 29867

Digit Sum: 31

Digital Root: 4

Palindrome: No

Factorization: 2 × 109 × 137

Divisors: 1, 2, 109, 137, 218, 274, 14933, 29866

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 111010010101010

Octal: 72252

Duodecimal: 1534A

Hexadecimal: 74aa

Square: 891977956

Square Root: 172.81782315490494

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

Extended Motzkin numbers, ∑_k>=0 C(n,k)*C(k), where C(k) is the extended Catalan number A057977(k). A189912

Number of walks of length n between two vertices on the same triangular face of a truncated tetrahedron (triangular prism). A94555

Generalized tangent numbers d_n,2. A176

Number of ways in which n identical balls can be distributed among 6 boxes in a row such that each pair of adjacent boxes contains at least 4 balls. A5339

Binomial transform of (Jacobsthal(n) + 2ⁿ*Jacobsthal(-n))/2. A94039

Triangle read by rows: T(n,k) is the number of 2-compositions of n having k columns in which the top entry is equal to the bottom entry (0<=k<=floor(n/2)). A181299

Upper (1/3,1/2)-midsequence of ((2ⁿ)) and ((3ⁿ)); see Comments. A389124

Square table read by upwards antidiagonals: T(m,n) = A103438(2·m-1,n)/A103438(1,n) for m>=1, n>=1. A339019

Size of minimal binary covering code of length n and covering radius 2. A29866

Let P(n) be the maximal prime divisor of 3·n+1. Then a(n) is the smallest number of iterations of P(n) such that the a(n)-th iteration < n, and a(n) = 0, if such number does not exist. A198724