Properties of the Number 47042

Forty-Seven Thousand Forty-Two

Basics

Value: 47041 → 47042 → 47043

Parity: even

Prime: No

Previous Prime: 47041

Next Prime: 47051

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 2 × 43 × 547

Divisors: 1, 2, 43, 86, 547, 1094, 23521, 47042

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: 1011011111000010

Octal: 133702

Duodecimal: 23282

Hexadecimal: b7c2

Square: 2212949764

Square Root: 216.89167803306793

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 binary strings of length n with no substrings equal to 000, 010, or 111. A164317

Arises in the maximum number of C5's in a triangle-free graph. A185721

Number of ternary length-2 squarefree words of length n not containing the subwords 021 or 10. A373554

Number of nX4 0..1 arrays with every element equal to 1, 3, 4, 5 or 7 king-move adjacent elements, with upper left element zero. A298618

T(n,n), array T as in A047040; T(n,n), array T given by A047050. A47042