Properties of the Number 42791

Forty-Two Thousand Seven Hundred Ninety-One

Basics

Value: 42790 → 42791 → 42792

Parity: odd

Prime: No

Previous Prime: 42787

Next Prime: 42793

Digit Sum: 23

Digital Root: 5

Palindrome: No

Factorization: 7 × 6113

Divisors: 1, 7, 6113, 42791

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

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Representations

Binary: 1010011100100111

Octal: 123447

Duodecimal: 2091B

Hexadecimal: a727

Square: 1831069681

Square Root: 206.85985594116613

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 (7+2)X(n+2) 0..4 arrays with every consecutive three elements in every row and diagonal having exactly two distinct values, and in every column and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order. A252968

Numbers n such that 279·2ⁿ-1 is prime. A50898

T(n,k)=Number of (n+2)X(k+2) 0..4 arrays with every consecutive three elements in every row and diagonal having exactly two distinct values, and in every column and antidiagonal not having exactly two distinct values, and new values 0 upwards introduced in row major order. A252961

Denominators of continued fraction convergents to sqrt(926). A42791