Properties of the Number 4442

Four Thousand Four Hundred Forty-Two

Basics

Value: 4441 → 4442 → 4443

Parity: even

Prime: No

Previous Prime: 4441

Next Prime: 4447

Digit Sum: 14

Digital Root: 5

Palindrome: No

Factorization: 2 × 2221

Divisors: 1, 2, 2221, 4442

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1000101011010

Octal: 10532

Duodecimal: 26A2

Hexadecimal: 115a

Square: 19731364

Square Root: 66.64833081180653

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

Composite numbers k such that the digits of the prime factors of k are either 1 or 2. A36302

Number of disconnected 2-regular simple graphs on n vertices with girth at least 4. A185224

Number of connected loopless multigraphs with n edges. A76864

Irregular triangle read by rows: T(n,k) is the number of polyhedra with n faces and k vertices (n >= 4, k=4..2n-4). A212438

Numbers in which 4 outnumbers all other digits together. A292734

Sum of the largest parts of the partitions of n into 9 parts. A326473

For a positive number k, let L(k) denote the list consisting of k followed by the prime factors of k, with repetition, in nondecreasing order; sequence gives composite k such that the digits of L(k) are in nonincreasing order. A372034

Triangle T(n,k) = number of polyhedra (triconnected planar graphs) with n faces and k vertices, where (n/2+2) <= k <= (2n+8). A58787

Numbers n such that sum of divisors of these numbers gives a decimal repdigit. A96841

Numbers with digits 2 and 4 only. A284920