Properties of the Number 14539

Fourteen Thousand Five Hundred Thirty-Nine

Basics

Value: 14538 → 14539 → 14540

Parity: odd

Prime: No

Previous Prime: 14537

Next Prime: 14543

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 7 × 31 × 67

Divisors: 1, 7, 31, 67, 217, 469, 2077, 14539

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11100011001011

Octal: 34313

Duodecimal: 84B7

Hexadecimal: 38cb

Square: 211382521

Square Root: 120.57777573002414

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

Palindromic numbers in bases 4 and 6 written in base 10. A259376

a(n) = 1 + 2 * ∑_k=0..n-1 binomial(n,k) * (n-k-1)! * a(k). A343707

Products of three distinct primes of the form 6·k + 1. A154729

T(n,k)=Number of nXk 0..1 arrays with every element equal to 2, 3, 4, 5, 7 or 8 king-move adjacent elements, with upper left element zero. A299602

Number of vertices formed by infinite lines when connecting all vertices and all points that divide the sides of an equilateral triangle into n equal parts. A344657

a(n) = ∑_{k=0..floor(n/3)} binomial(n,k) * binomial(n+2·k,n-3·k). A378407

Let Do(n) = A006566(n) = n-th dodecahedral number. Consider all integer triples (i,j,k), j >= k > 0, with Do(i) = Do(j) + Do(k), ordered by increasing i; sequence gives k values. A53019

a(n) = number of tuples (a,b,c,d) of natural numbers a,b,c,d <= n with gcd(a,b)=gcd(b,c)=gcd(c,d)=gcd(d,a)=1. A256391

Compound filter (2-adic valuation of φ(n) & σ(n)): a(n) = P(A053574(n), A000203(n)), where P(n,k) is sequence A000027 used as a pairing function. A286572

Quasi-Carmichael numbers to base -5: squarefree composites n such that prime p∣n ==> p+5∣n+5. A29565