Properties of the Number 44442

Forty-Four Thousand Four Hundred Forty-Two

Basics

Value: 44441 → 44442 → 44443

Parity: even

Prime: No

Previous Prime: 44417

Next Prime: 44449

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ³ × 823

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 823, 1646

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010110110011010

Octal: 126632

Duodecimal: 21876

Hexadecimal: ad9a

Square: 1975091364

Square Root: 210.81271308913037

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

a(n) = number of 7-digit primes with digit sum n, where n runs through the non-multiples of 3 in the range [2..62]. A178876

Numbers having four 4's in base 10. A43508

Number of unlabeled binary rooted semi-identity plane trees with 2·n - 1 nodes. A343663

G.f. = b(4)*b(6)/(x⁸+x⁶-x⁵-x³+x²-2·x+1), where b(k) = (1-x^k)/(1-x). A266371

Numbers n such that n * (x-1)/x produces a rotation of the digits in n for some value of x. A288626

Number of ways to place zero or more nonadjacent 1,1 2,1 3,0 3,1 4,2 polyhexes in any orientation on a planar nXnXn triangular grid. A155239

First differences of [0, A047970]. A112532

Numbers n such that string 0,0 occurs in the base 4 representation of n but not of n+1. A44442