Properties of the Number 1444

One Thousand Four Hundred Forty-Four

Basics

Value: 1443 → 1444 → 1445

Parity: even

Prime: No

Previous Prime: 1439

Next Prime: 1447

Digit Sum: 13

Digital Root: 4

Palindrome: No

Factorization: 2 ² × 19 ²

Divisors: 1, 2, 4, 19, 38, 76, 361, 722, 1444

Polygonal

Triangular: No

Square: Yes

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 10110100100

Octal: 2644

Duodecimal: A04

Hexadecimal: 5a4

Square: 2085136

Square Root: 38

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 squares: a(n) = n². A290

Perfect powers: m^k where m > 0 and k >= 2. A1597

Product of divisors of n. A7955

Number of rooted trees with n vertices in which vertices at the same level have the same degree. A3238

Powerful numbers (A001694) that are not prime powers (A000961). A286708

Even squares: a(n) = (2·n)². A16742

Perfect powers of nonprimes (m^k where m is a nonprime positive integer and k >= 2). A131605

Squarefree numbers squared. A62503

a(n) = (2·n-1)*(5·n²-5·n+6)/6. A63489

a(n) = n * ∏_{primes p∣n} p. A64549