Properties of the Number 47071

Forty-Seven Thousand Seventy-One

Basics

Value: 47070 → 47071 → 47072

Parity: odd

Prime: No

Previous Prime: 47059

Next Prime: 47087

Digit Sum: 19

Digital Root: 1

Palindrome: No

Factorization: 103 × 457

Divisors: 1, 103, 457, 47071

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011011111011111

Octal: 133737

Duodecimal: 232A7

Hexadecimal: b7df

Square: 2215679041

Square Root: 216.95852138139216

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) = p(1)p(n) + p(2)p(n-1) + ... + p(k)p(n-k+1), where k = [ n/2 ], p = A000040, the primes. A25129

Numbers k such that T(k) = T(A072522(k)) + T(A072522(k+1)), T(i) being the triangular numbers. A80824

Minimal natural number (in decimal representation) with n prime substrings in base-8 representation (substrings with leading zeros are considered to be nonprime). A217308

Half the number of (n+1)X4 0..3 arrays with every 2X2 subblock having two or four distinct clockwise edge differences. A209908

Array T by antidiagonals: T(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=3x unless x=0 or x=h. A47071