Properties of the Number 47039

Forty-Seven Thousand Thirty-Nine

Basics

Value: 47038 → 47039 → 47040

Parity: odd

Prime: No

Previous Prime: 47017

Next Prime: 47041

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 17 × 2767

Divisors: 1, 17, 2767, 47039

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011011110111111

Octal: 133677

Duodecimal: 2327B

Hexadecimal: b7bf

Square: 2212667521

Square Root: 216.88476202813328

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) = (7·n³ + 6·n² + 5·n) / 6. A101165

Denominators of continued fraction convergents to sqrt(839). A42621

a(n) = 60·n² - 1. A158670

Grow a binary tree using the following rules. Initially there is a single node labeled 1. At each step we add 1 to all labels less than 3. If a node has label 3 and zero or one descendants we add a new descendant labeled 1. Sequence gives sum of all labels at step n. A123015

Indices of the triangular numbers in A189475. A358417

T(2n,n), array T as in A047030. A47039