Properties of the Number 40444

Forty Thousand Four Hundred Forty-Four

Basics

Value: 40443 → 40444 → 40445

Parity: even

Prime: No

Previous Prime: 40433

Next Prime: 40459

Digit Sum: 16

Digital Root: 7

Palindrome: No

Factorization: 2 ² × 10111

Divisors: 1, 2, 4, 10111, 20222, 40444

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1001110111111100

Octal: 116774

Duodecimal: 1B4A4

Hexadecimal: 9dfc

Square: 1635717136

Square Root: 201.10693672770216

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

Starts of runs of 3 consecutive factorial base Niven numbers (A118363). A328206

Numbers whose decimal expansion contains only 0's and 4's. A169967

Numbers having four 4's in base 10. A43508

a(n) is equal to the sum of the factorials of the digits of a(n-1), with a(1) = 0; each time a duplicated term appears, we replace it with the smallest integer not yet in the sequence and iterate. A351328

Number of length n+5 0..1 arrays with every six consecutive terms having the maximum of some two terms equal to the minimum of the remaining four terms. A250074

a(n) = ∑_{k=0..floor(n/3)} k! * (n - 3·k)!. A339515

Numbers k such that the k-th prime is in A057468. A102808

Numbers that can be written using its own digits in order and by using addition and factorial operators. A195670

Least k > 0 such that 1 + n² and 1 + (n+k)² have the same smallest prime factor. A217448

Continued fraction for sqrt(466). A40444