Properties of the Number 44028

Forty-Four Thousand Twenty-Eight

Basics

Value: 44027 → 44028 → 44029

Parity: even

Prime: No

Previous Prime: 44027

Next Prime: 44029

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 ² × 3 ² × 1223

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 36, 1223

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1010101111111100

Octal: 125774

Duodecimal: 21590

Hexadecimal: abfc

Square: 1938464784

Square Root: 209.82850140054853

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

Triangle read by rows: T(n,m) (n >= m >= 1) = number of line segments formed by drawing the lines connecting any two of the 2*(m+n) perimeter points of an m X n grid of squares. A331454

Number of Dyck paths of semilength n such that all eight consecutive step patterns of length 3 occur at least once. A243882

Array read by antidiagonals: T(n,k) (n>=1, k>=1) = number of Baxter matrices of size n X k. A347672

a(n) = 3/4*(3^{n + 1} - 2·n - 4·n² - 3). A367967

Expansion of (η(q³)η(q⁶)/(η(q)η(q²)))⁴ in powers of q. A284607

a(n) = n*(n²-2·n-1). A214446

Numbers k such that 4 and 7 occur juxtaposed in the base-10 representation of k but not of k+1. A44028