Properties of the Number 13369

Thirteen Thousand Three Hundred Sixty-Nine

Basics

Value: 13368 → 13369 → 13370

Parity: odd

Prime: No

Previous Prime: 13367

Next Prime: 13381

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 29 × 461

Divisors: 1, 29, 461, 13369

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11010000111001

Octal: 32071

Duodecimal: 78A1

Hexadecimal: 3439

Square: 178730161

Square Root: 115.62439189029277

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

a(n) = (A048899(n)² + 1)/5ⁿ, n >= 0. A210849

T(n,k)=Number of nXk 0..1 arrays with every element equal to 0, 1, 2, 4, 5, 6 or 7 king-move adjacent elements, with upper left element zero. A299682

Odd composite integers m such that A087130(m) == 5 (mod m). A335671

Solution of the complementary equation a(n) = 2·a(n-1) + a(n-2) + b(n-2), where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4, and (a(n)) and (b(n)) are increasing complementary sequences. A295142

Numbers k of the form (x + y)*(x² + y²) such that (x + y) and (x² + y²) are primes. A349202

Numbers k such that A276086(k) is a multiple of A003415(k) and A276087(k) is a multiple of A327859(k). A393071

a(n) = (d(n) - r(n))/5, where d = A026037 and r is the periodic sequence with fundamental period (1,2,0,2,0). A26039

a(n) = (1+(A034939(n))²)/5ⁿ. A199206

Zeroless numbers n with digits d₁, d₂, ... d_k such that d₁³ + ... + d_k³ is a cube. A254960

Numbers k such that the continued fraction for sqrt(k) has period 89. A20428