Properties of the Number 47443

Forty-Seven Thousand Four Hundred Forty-Three

Basics

Value: 47442 → 47443 → 47444

Parity: odd

Prime: No

Previous Prime: 47441

Next Prime: 47459

Digit Sum: 22

Digital Root: 4

Palindrome: No

Factorization: 11 × 19 × 227

Divisors: 1, 11, 19, 209, 227, 2497, 4313, 47443

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011100101010011

Octal: 134523

Duodecimal: 23557

Hexadecimal: b953

Square: 2250838249

Square Root: 217.81414095508126

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

Number of partitions of n such that the number of even parts is a part. A240573

Number of 4Xn 0..1 arrays with every element equal to 0, 1 or 3 horizontally, diagonally or antidiagonally adjacent elements, with upper left element zero. A302166

Number of "sets of lists": number of partitions of {1,...,n} into any number of lists, where a list means an ordered subset. A262

a(n) = 2*(a(n-1) + a(n-2)), a(0) = 0, a(1) = 1. A2605

Self-convolution of Fibonacci numbers. A1629

Triangle of Lah numbers. A8297

a(n) = 2·a(n-1) + 3·a(n-2), with a(0)=0, a(1)=1. A15518

Number of ways of placing n nonattacking queens on an n X n board. A170

a(n) = a(n-1) + a(n-2) + a(n-3), a(0)=3, a(1)=1, a(2)=3. A1644

a(0)=0, a(1)=1, a(2)=2; for n > 2, a(n) = 3·a(n-1) - a(n-2) - 2·a(n-3). A27934