Properties of the Number 47072

Forty-Seven Thousand Seventy-Two

Basics

Value: 47071 → 47072 → 47073

Parity: even

Prime: No

Previous Prime: 47059

Next Prime: 47087

Digit Sum: 20

Digital Root: 2

Palindrome: No

Factorization: 2 ⁵ × 1471

Divisors: 1, 2, 4, 8, 16, 32, 1471, 2942, 5884, 11768

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011011111100000

Octal: 133740

Duodecimal: 232A8

Hexadecimal: b7e0

Square: 2215773184

Square Root: 216.96082595712988

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

Number of non-equivalent ways to choose three points in an equilateral triangle grid of side n. A230723

Expansion of ∏_{k >= 1} 1/(1-x^k)^c(k), where c(1), c(2), ... = 2 3 2 3 2 3 2 3 .... A29863

Array A read by diagonals: A(h,k)=number of paths consisting of steps from (0,0) to (h,k) such that each step has length 1 directed up or right and no step touches the line y=x unless x=0 or x=h. A47072