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Properties of the Number 13338

Thirteen Thousand Three Hundred Thirty-Eight

Basics

Value: 13337 → 13338 → 13339

Parity: even

Prime: No

Previous Prime: 13337

Next Prime: 13339

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 3 × 13 × 19

Divisors: 1, 2, 3, 6, 9, 13, 18, 19, 26, 27

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 11010000011010

Octal: 32032

Duodecimal: 7876

Hexadecimal: 341a

Square: 177902244

Square Root: 115.49025932952095

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 partitions of n in which the greatest part is 9. A26815
3 times 9-gonal (or nonagonal) numbers: a(n) = 3·n*(7·n-5)/2. A152759
T(n,k)=Number of nXk binary arrays with every element equal to either the sum mod 2 of its vertical neighbors or the sum mod 2 of its horizontal neighbors. A183474
Square array A(n,k) = A341526(A246278(n,k)), read by falling antidiagonals; Numerators of the columnwise first quotients of A341605/A341606. A341626
Number of partitions of n into at most 9 parts. A8638
Number of partitions of n into 9 distinct and relatively prime parts. A341913
Number of 5-way intersections in the interior of a regular 6n-gon. A137939
Number T(n,k) of tilings of a 5 X n rectangle with pentominoes of any shape and exactly k pentominoes of shape F; triangle T(n,k), n>=0, 0<=k<=max(delta3,n,floor((n-2)/2)*2), read by rows. A247702
a(n) = 9·n*(n+1). A163758
Engel expansion of sinh(1/3). A68380