Properties of the Number 13926

Thirteen Thousand Nine Hundred Twenty-Six

Basics

Value: 13925 → 13926 → 13927

Parity: even

Prime: No

Previous Prime: 13921

Next Prime: 13931

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 11 × 211

Divisors: 1, 2, 3, 6, 11, 22, 33, 66, 211, 422

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11011001100110

Octal: 33146

Duodecimal: 8086

Hexadecimal: 3666

Square: 193933476

Square Root: 118.0084742719776

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

Square array T(n,d) read by antidiagonals: number of structurally-different guillotine partitions of a d-dimensional box in R^d by n hyperplanes. A103209

G.f.: exp( ∑_n>=1 A000204(n)³ * xⁿ/n ) where A000204 is the Lucas numbers. A203803

Numbers n such that there is no triangular n-gonal number greater than 1. A188892

a(n) = (1/n)*∑_i=0..n-1 C(n,i)*C(n,i+1)*5ⁱ*6^n-i, a(0)=1. A133306

Expansion of (1-x)/(1-2·x-x²-x³). A77997

Triangle related to guillotine partitions of a k-dimensional box by n hyperplanes. A107702

Number of 3Xn arrays containing n copies of 0..3-1 with row sums equal, column sums equal and full-length antidiagonal sums equal to the short dimension sums. A265118

Numbers whose base-5 representation is a square when read in base 10. A267765

Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 86", based on the 5-celled von Neumann neighborhood. A270127

With p = prime(n), a(n) is the least composite k such that A001414(k) = p and k+p is prime, or 0 if there is no such k. A346501