Properties of the Number 13466

Thirteen Thousand Four Hundred Sixty-Six

Basics

Value: 13465 → 13466 → 13467

Parity: even

Prime: No

Previous Prime: 13463

Next Prime: 13469

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 6733

Divisors: 1, 2, 6733, 13466

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11010010011010

Octal: 32232

Duodecimal: 7962

Hexadecimal: 349a

Square: 181333156

Square Root: 116.04309544302927

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

Number of ways to place 3 nonattacking bishops on a 3 X n board. A172207

Numerators of continued fraction transform of e; see Comments. A229595

a(n) = floor( (4/5)*( (9/4)ⁿ⁺¹-1 ) ). A361506

Numbers k not ending in zero that are a substring of k*(k+1). A305670

Number of (w,x,y,z) with all terms in {1,...,n} and |w-x|=2∣x-y|+2∣y-z|. A212576

Number of Dyck paths of semilength n avoiding the pattern U⁴ D⁴ U D. A225691

Semiprimes s = A001358(k) such that k, s - k and s + k are also semiprimes. A383468

Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 21. A51986

Number of (7+2) X (n+2) 0..3 arrays with every 3 X 3 subblock row and diagonal sum equal to 0 3 5 6 or 7 and every 3 X 3 column and antidiagonal sum not equal to 0 3 5 6 or 7. A252391

a(1) = a(2) = 2; a(n) = a(n-1) + gpf(a(n-2)), where gpf is greatest prime factor. A258125