Properties of the Number 66234

Sixty-Six Thousand Two Hundred Thirty-Four

Basics

Value: 66233 → 66234 → 66235

Parity: even

Prime: No

Previous Prime: 66221

Next Prime: 66239

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 7 × 19 × 83

Divisors: 1, 2, 3, 6, 7, 14, 19, 21, 38, 42

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 10000001010111010

Octal: 201272

Duodecimal: 323B6

Hexadecimal: 102ba

Square: 4386942756

Square Root: 257.35967050025533

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

G.f.: 1-q = ∑_k>=0 a(k)*q^k * Faq(k+1,q)², where Faq(n,q) is the q-factorial of n. A129273

Diagonal sums of the Riordan matrix A104259. A190737

(k²)-th k-smooth number for k = prime(n). A133581

Number of 2X4 integer matrices with each row summing to zero, row elements in nondecreasing order, rows in lexicographically nondecreasing order, and the sum of squares of the elements <= 2·n² (number of collections of 2 zero-sum 4-vectors with total modulus squared not more than 2·n², ignoring vector and component permutations). A192699

Let x(1)x(2)...x(q) the decimal expansion of the numbers k having exactly q distinct prime divisors p(1) < p(2) < ... < p(q). Sequence lists the numbers k such that p(1)/x(q) + p(2)/x(q-1)+ ... + p(q)/x(1) is an integer. A235153

θ series of GH39, an extremal unimodular 39-dimensional lattice. A66234