Properties of the Number 47447

Forty-Seven Thousand Four Hundred Forty-Seven

Basics

Value: 47446 → 47447 → 47448

Parity: odd

Prime: No

Previous Prime: 47441

Next Prime: 47459

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 17 × 2791

Divisors: 1, 17, 2791, 47447

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011100101010111

Octal: 134527

Duodecimal: 2355B

Hexadecimal: b957

Square: 2251217809

Square Root: 217.82332290184172

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

Composites whose prime factorization in base 8 is an anagram of the number in base 8. A260052

T(n,k)=Number of nXk 0..1 arrays with every element unequal to 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A318068

4-step Fibonacci sequence starting with 1, 1, 0, 1. A251704

Numbers with digits 4 and 7 only. A284971

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

G.f. A(x) satisfies: A(x·A(-x)) = x³ - x². A273034

Number of nX2 0..1 arrays with every element unequal to 1, 2, 3 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero. A318062

Least index a(n) such that the sequences b(n,m) from A334539 are purely periodic after a(n). A335296

G.f. A(x) satisfies: A( A(x)² - A(x)³ ) = x·A(x). A268655

Numbers that are congruent to {2, 3, 5, 6} mod 8. A47447