Properties of the Number 47444

Forty-Seven Thousand Four Hundred Forty-Four

Basics

Value: 47443 → 47444 → 47445

Parity: even

Prime: No

Previous Prime: 47441

Next Prime: 47459

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 2 ² × 29 × 409

Divisors: 1, 2, 4, 29, 58, 116, 409, 818, 1636, 11861

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011100101010100

Octal: 134524

Duodecimal: 23558

Hexadecimal: b954

Square: 2250933136

Square Root: 217.81643647805828

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

Numbers k that divide the sum of digits of 13^k. A175525

Expansion of x*(1-x)/((1-2·x)*(1+3·x)). A91004

Numbers with digits 4 and 7 only. A284971

a(n) = a(n-1) + 6·a(n-2) for n >= 2, a(0)=1, a(1)=2. A133467

a(n) is the number of primes occurring between A053182(n) and A053183(n) (excluding the endpoints). A238399

Lexicographically first sequence of distinct terms such that the sum of any two terms is not a term of the sequence, and the sum of any two digits is not a digit of the sequence. A302938

a(n) is least k such that k and 8k are anagrams in base n (written in base 10). A23100

Number of size collections in prime "Mrs. Perkins's Quilt" dissections of integer-sided squares into n squares. A232484

One third of the number of edges in the metrically regular triangulation of the n-th approximation of the Koch snowflake fractal. A282563

Numbers that are congruent to {0, 3, 5, 6} mod 8. A47444