Properties of the Number 13672

Thirteen Thousand Six Hundred Seventy-Two

Basics

Value: 13671 → 13672 → 13673

Parity: even

Prime: No

Previous Prime: 13669

Next Prime: 13679

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 2 ³ × 1709

Divisors: 1, 2, 4, 8, 1709, 3418, 6836, 13672

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11010101101000

Octal: 32550

Duodecimal: 7AB4

Hexadecimal: 3568

Square: 186923584

Square Root: 116.92732785794773

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

Meandric numbers for a river (or directed line) crossing two perpendicular roads at n points, beginning in the (-,-) quadrant and ending in the (+,+) quadrant if n even, in the (+,-) quadrant if n odd. A76906

Expansion of (2/(3·sqrt(1-4·z)-1+4·z))*((1-sqrt(1-4·z))/(2·z))^k with k=3. A172025

T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one. A206085

Expansion of 1/((1+x)*(1-x)¹¹). A1786

Triangle T(n,k) in which n-th row lists in increasing order all positive integers with a representation as totally balanced 2n digit binary string without totally balanced proper prefixes such that all consecutive totally balanced substrings are in nondecreasing order; n>=1, 1<=k<=A000081(n). A216648

Coefficient array for square of Chebyshev S-polynomials. A181878

a(n) = prime(n) + prime(n²). A92504

A tree-node counting triangle. A109244

a(n) = 441·n + 1. A158322

Meandric numbers for a river (or directed line) crossing two perpendicular roads at n points, beginning in the (-,-) quadrant, crossing·axis first and ending in any quadrant. A77551