Properties of the Number 47231

Forty-Seven Thousand Two Hundred Thirty-One

Basics

Value: 47230 → 47231 → 47232

Parity: odd

Prime: No

Previous Prime: 47221

Next Prime: 47237

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 73 × 647

Divisors: 1, 73, 647, 47231

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011100001111111

Octal: 134177

Duodecimal: 233BB

Hexadecimal: b87f

Square: 2230767361

Square Root: 217.3269426463272

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) = a(n-1) + floor((a(n-2) + a(n-3))/2), with a(n)=1 for n < 3. A214041

a(n) = ∑_{p in P} (∑_{k_j = 1} 1)², where P is the set of partitions of n, and the k_j are the frequencies in p. A302300

Integer part of ((4th elementary symmetric function of 1,2,..,n)/(2nd elementary symmetric function of 1,2,...,n)). A24173

Numbers k such that k^p-p is prime, where p is product of the digits of k. A178328

Numbers that are congruent to {0, 3, 4} mod 6. A47231