Properties of the Number 47142

Forty-Seven Thousand One Hundred Forty-Two

Basics

Value: 47141 → 47142 → 47143

Parity: even

Prime: No

Previous Prime: 47137

Next Prime: 47143

Digit Sum: 18

Digital Root: 9

Palindrome: No

Factorization: 2 × 3 ⁵ × 97

Divisors: 1, 2, 3, 6, 9, 18, 27, 54, 81, 97

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011100000100110

Octal: 134046

Duodecimal: 23346

Hexadecimal: b826

Square: 2222368164

Square Root: 217.12208547266673

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

Consider n equally spaced points along a line and join every pair of points by a semicircle above the line; a(n) is the number of intersection points. A290447

Numbers such that the largest prime factor equals the sum of the 4th power of the other prime factors. A244344

Numbers k such that prime(k+1)^prime(k+3) == prime(k) mod prime(k+2). A335571

T(n,n), array T as in A047140. A47142

Number of n X 4 0..4 arrays with each element·equal to the number its horizontal and vertical neighbors equal to 3,0,2,4,1 for x=0,1,2,3,4. A196452