Properties of the Number 47028

Forty-Seven Thousand Twenty-Eight

Basics

Value: 47027 → 47028 → 47029

Parity: even

Prime: No

Previous Prime: 47017

Next Prime: 47041

Digit Sum: 21

Digital Root: 3

Palindrome: No

Factorization: 2 ² × 3 × 3919

Divisors: 1, 2, 3, 4, 6, 12, 3919, 7838, 11757, 15676

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011011110110100

Octal: 133664

Duodecimal: 23270

Hexadecimal: b7b4

Square: 2211632784

Square Root: 216.8594014563353

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

Engel expansion of log(1+e). A68376

Irregular triangle read by rows: T(n,k) = number of k-sided polygons formed when connecting infinite lines between all vertices and all points that divide the sides of an equilateral triangle into n equal parts, for k = 3, 4, ..., max_k. A346446

T(n,n+3), array T given by A047020. A47028