Properties of the Number 47825

Forty-Seven Thousand Eight Hundred Twenty-Five

Basics

Value: 47824 → 47825 → 47826

Parity: odd

Prime: No

Previous Prime: 47819

Next Prime: 47837

Digit Sum: 26

Digital Root: 8

Palindrome: No

Factorization: 5 ² × 1913

Divisors: 1, 5, 25, 1913, 9565, 47825

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011101011010001

Octal: 135321

Duodecimal: 23815

Hexadecimal: bad1

Square: 2287230625

Square Root: 218.68927728629038

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

L.g.f.: ∑_n>=1 (xⁿ/n) / ∏_d∣n (1 - d·x^d)ⁿ. A205491

Number of ways in which n identical balls can be distributed among 5 boxes in a row such that each pair of adjacent boxes contains at least 4 balls. A5338

Least of four consecutive numbers which are cubefree and not squarefree, i.e., numbers k such that {k, k+1, k+2, k+3} are in A067259. A71320

a(n) = n*(1+3·n+6·n²)/2. A115519

Becomes prime after exactly 6 iterations of f(x) = sum of prime factors of x. A47825