Properties of the Number 13386

Thirteen Thousand Three Hundred Eighty-Six

Basics

Value: 13385 → 13386 → 13387

Parity: even

Prime: No

Previous Prime: 13381

Next Prime: 13397

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 × 3 × 23 × 97

Divisors: 1, 2, 3, 6, 23, 46, 69, 97, 138, 194

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11010001001010

Octal: 32112

Duodecimal: 78B6

Hexadecimal: 344a

Square: 179184996

Square Root: 115.69788243524597

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

Expansion of ∏_k>=1 1/(1 - 2·t^k). A70933

Numbers that are the sum of 11 positive 8th powers. A3389

T(n,k)=Number of nXk binary arrays with top left element equal to 1 and no two ones adjacent horizontally or antidiagonally. A228754

T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X3 or 3X2 subblock having exactly one clockwise edge increases. A207050

Number of permutations (p1,...,pn) such that 1 <= |pk - k| <= 2 for all k. A33305

Number of ways to write n as an ordered sum of 6 primes (counting 1 as a prime). A341985

a(n+2) = 5a(n+1) - 3a(n) (n >= 1); a(0) = 1, a(1) = 2, a(2) = 9. A95939

Numbers k such that A248891(k) = 3. A248903

Fibonacci sequence beginning 8, 17. A22390

Expansion of (1-3x+5x²-x³)/(1-3x+x²)². A167477