Properties of the Number 47827

Forty-Seven Thousand Eight Hundred Twenty-Seven

Basics

Value: 47826 → 47827 → 47828

Parity: odd

Prime: No

Previous Prime: 47819

Next Prime: 47837

Digit Sum: 28

Digital Root: 1

Palindrome: No

Factorization: 13 ² × 283

Divisors: 1, 13, 169, 283, 3679, 47827

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2196 Try Today's Challenge

Representations

Binary: 1011101011010011

Octal: 135323

Duodecimal: 23817

Hexadecimal: bad3

Square: 2287421929

Square Root: 218.6938499363894

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

T(n,k) = Equals two maps: number of n X k binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..3 n X k array. A221290

T(n,k)=Equals two maps: number of nXk binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..2 nXk array. A220935

Denominators of continued fraction convergents to sqrt(331). A41625

Equals two maps: number of 2 X n binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..2 2 X n array. A220936

Numbers k such that k + σ(k) and k + φ(k) are palindromes. A115900

Numbers k such that (28·10^k - 31)/3 is prime. A293280

Becomes prime after exactly 8 iterations of f(x) = sum of prime factors of x. A47827