Properties of the Number 44244

Forty-Four Thousand Two Hundred Forty-Four

Basics

Value: 44243 → 44244 → 44245

Parity: even

Prime: No

Previous Prime: 44221

Next Prime: 44249

Digit Sum: 18

Digital Root: 9

Palindrome: Yes

Factorization: 2 ² × 3 ² × 1229

Divisors: 1, 2, 3, 4, 6, 9, 12, 18, 36, 1229

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1010110011010100

Octal: 126324

Duodecimal: 21730

Hexadecimal: acd4

Square: 1957531536

Square Root: 210.34257771549724

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) = smallest palindrome > a(n-1) such that a(1)*a(2)*...*a(n) + 1 is prime with a(1) = 2. A51896

Numbers having four 4's in base 10. A43508

Square array A(n,k), n >= 0, k >= 0, read by antidiagonals downwards, where A(n,k) = n! * k! * [xⁿ * y^k] 1 / ( (1-x) * (1-y) * (1 - log(1-x) * log(1-y))³ ). A382825

G.f.: A(x) = (A₁)² where A₁ = 1/[1 - x*(A₂)²], A₂ = 1/[1 - x²*(A₃)²], A₃ = 1/[1 - x³*(A₄)²], ... A_n = 1/[1 - xⁿ*(A_n+1)²] for n>=1. A132333

Palindromes of the form i² + reverse(i)². A256398

a(n) = 4*(10^2·n+1-1)/9 - 2·10ⁿ. A332142

Numbers with all digits even whose squares have all but one digit odd. A343728

Numbers that are palindromic in base 2 as well as in base 10 (initial zeros may be prepended). A69024

Palindromic numbers such that the sum of the digits equals the number of divisors. A263720

Palindromes which are the concatenation of 3 or more terms of an arithmetic sequence with nonzero difference. A62564