Properties of the Number 13646

Thirteen Thousand Six Hundred Forty-Six

Basics

Value: 13645 → 13646 → 13647

Parity: even

Prime: No

Previous Prime: 13633

Next Prime: 13649

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 × 6823

Divisors: 1, 2, 6823, 13646

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11010101001110

Octal: 32516

Duodecimal: 7A92

Hexadecimal: 354e

Square: 186213316

Square Root: 116.81609478149832

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

The limiting sequence [A259095(r(r+1)/2-s,r), s=0,1,2,...,r-1] for very large r. A5576

Numbers n such that 4n + 1, 4n + 2 and 4n + 3 are not squarefree. A258332

Number of monohedral disk tilings of type C^t_{3,n}. A296361

(Product of primes <= n) - 2^n-1. A68511

Triangle of the coefficients of Touchard's chord enumerating polynomials, [x^k] S(n,x), 0 <= k <= n*(n-1)/2. A322398

Coefficient of·in the reduction of the polynomial x^2·n + xⁿ + 1 by x³ -> x + 1. A192813

Indices of primes in sequence defined by A(0) = 93, A(n) = 10·A(n-1) + 43 for n > 0. A101015

The growth series for the affine Weyl group F₄. A266784

Number of nX6 0..1 arrays with every element equal to 0, 1, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A300087

Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 5, 6, 7 or 8 king-move adjacent elements, with upper left element zero. A300088