Properties of the Number 13944

Thirteen Thousand Nine Hundred Forty-Four

Basics

Value: 13943 → 13944 → 13945

Parity: even

Prime: No

Previous Prime: 13933

Next Prime: 13963

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ³ × 3 × 7 × 83

Divisors: 1, 2, 3, 4, 6, 7, 8, 12, 14, 21

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 11011001111000

Octal: 33170

Duodecimal: 80A0

Hexadecimal: 3678

Square: 194435136

Square Root: 118.08471535300409

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

Table read by rows: T(n,k) = the number of regions with k sides, k >= 3, in a Farey diagram of order (n,n). A358885

a(n) = lcm(p-1, p+1) where p is the n-th prime. A84921

a(n) = (prime(n)² - 1)/2 for n >= 2. A216244

4-step Fibonacci sequence starting with 1,1,0,0. A251703

Aliquot sequence starting at 564. A14361

12 times pentagonal numbers: a(n) = 6·n*(3·n-1). A153792

a(n) = a(n-1) + floor(a(n-2)/3) with a(0)=2, a(1)=3. A182229

Colombian numbers that are also Bogotá numbers. A336984

Long legs of the only primitive Pythagorean triple whose inradius is the n-th prime and whose short leg is an odd number. A367573

Molien series for group G_1,2⁸ of order 1536. A51462